20920503760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{317}}^1$

素因数の和:486

約数の個数: 320

約数和(自身を含む): 57236336640

約数和(自身を除く): 36315832880

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 31, 40, 46, 52, 62, 65, 80, 89, 92, 104, 115, 124, 130, 155, 178, 184, 208, 230, 248, 260, 299, 310, 317, 356, 368, 403, 445, 460, 496, 520, 598, 620, 634, 712, 713, 806, 890, 920, 1040, 1157, 1196, 1240, 1268, 1424, 1426, 1495, 1585, 1612, 1780, 1840, 2015, 2047, 2314, 2392, 2480, 2536, 2759, 2852, 2990, 3170, 3224, 3560, 3565, 4030, 4094, 4121, 4628, 4784, 5072, 5518, 5704, 5785, 5980, 6340, 6448, 7120, 7130, 7291, 8060, 8188, 8242, 9256, 9269, 9827, 10235, 11036, 11408, 11570, 11960, 12680, 13795, 14260, 14582, 16120, 16376, 16484, 18512, 18538, 19654, 20470, 20605, 22072, 23140, 23920, 25360, 26611, 27590, 28213, 28520, 29164, 32240, 32752, 32968, 35867, 36455, 37076, 39308, 40940, 41210, 44144, 46280, 46345, 49135, 53222, 55180, 56426, 57040, 58328, 63457, 65936, 71734, 72910, 74152, 78616, 81880, 82420, 92560, 92690, 94783, 98270, 106444, 110360, 112852, 116656, 126914, 127751, 133055, 141065, 143468, 145820, 148304, 157232, 163760, 164840, 179335, 185380, 189566, 196540, 212888, 220720, 225704, 226021, 253828, 255502, 266110, 282130, 286936, 291640, 317285, 329680, 358670, 366769, 370760, 379132, 393080, 425776, 451408, 452042, 473915, 507656, 511004, 532220, 564260, 573872, 583280, 634570, 638755, 648899, 717340, 733538, 741520, 758264, 786160, 824941, 874603, 904084, 947830, 1015312, 1022008, 1064440, 1128520, 1130105, 1269140, 1277510, 1297798, 1434680, 1467076, 1516528, 1649882, 1749206, 1808168, 1833845, 1895660, 2044016, 2128880, 2257040, 2260210, 2538280, 2555020, 2595596, 2869360, 2934152, 2938273, 3244495, 3299764, 3498412, 3616336, 3667690, 3791320, 4124705, 4373015, 4520420, 5076560, 5110040, 5191192, 5868304, 5876546, 6488990, 6599528, 6996824, 7335380, 7582640, 8249410, 8435687, 8746030, 9040840, 10220080, 10382384, 11369839, 11753092, 12977980, 13199056, 13993648, 14670760, 14691365, 16498820, 16871374, 17492060, 18081680, 20115869, 22739678, 23506184, 25955960, 29341520, 29382730, 32997640, 33742748, 34984120, 40231738, 42178435, 45479356, 47012368, 51911920, 56849195, 58765460, 65995280, 67485496, 69968240, 80463476, 84356870, 90958712, 100579345, 113698390, 117530920, 134970992, 160926952, 168713740, 181917424, 201158690, 227396780, 235061840, 261506297, 321853904, 337427480, 402317380, 454793560, 523012594, 674854960, 804634760, 909587120, 1046025188, 1307531485, 1609269520, 2092050376, 2615062970, 4184100752, 5230125940, 10460251880, 20920503760]

約数ペア:

[(1, 20920503760), (2, 10460251880), (4, 5230125940), (5, 4184100752), (8, 2615062970), (10, 2092050376), (13, 1609269520), (16, 1307531485), (20, 1046025188), (23, 909587120), (26, 804634760), (31, 674854960), (40, 523012594), (46, 454793560), (52, 402317380), (62, 337427480), (65, 321853904), (80, 261506297), (89, 235061840), (92, 227396780), (104, 201158690), (115, 181917424), (124, 168713740), (130, 160926952), (155, 134970992), (178, 117530920), (184, 113698390), (208, 100579345), (230, 90958712), (248, 84356870), (260, 80463476), (299, 69968240), (310, 67485496), (317, 65995280), (356, 58765460), (368, 56849195), (403, 51911920), (445, 47012368), (460, 45479356), (496, 42178435), (520, 40231738), (598, 34984120), (620, 33742748), (634, 32997640), (712, 29382730), (713, 29341520), (806, 25955960), (890, 23506184), (920, 22739678), (1040, 20115869), (1157, 18081680), (1196, 17492060), (1240, 16871374), (1268, 16498820), (1424, 14691365), (1426, 14670760), (1495, 13993648), (1585, 13199056), (1612, 12977980), (1780, 11753092), (1840, 11369839), (2015, 10382384), (2047, 10220080), (2314, 9040840), (2392, 8746030), (2480, 8435687), (2536, 8249410), (2759, 7582640), (2852, 7335380), (2990, 6996824), (3170, 6599528), (3224, 6488990), (3560, 5876546), (3565, 5868304), (4030, 5191192), (4094, 5110040), (4121, 5076560), (4628, 4520420), (4784, 4373015), (5072, 4124705), (5518, 3791320), (5704, 3667690), (5785, 3616336), (5980, 3498412), (6340, 3299764), (6448, 3244495), (7120, 2938273), (7130, 2934152), (7291, 2869360), (8060, 2595596), (8188, 2555020), (8242, 2538280), (9256, 2260210), (9269, 2257040), (9827, 2128880), (10235, 2044016), (11036, 1895660), (11408, 1833845), (11570, 1808168), (11960, 1749206), (12680, 1649882), (13795, 1516528), (14260, 1467076), (14582, 1434680), (16120, 1297798), (16376, 1277510), (16484, 1269140), (18512, 1130105), (18538, 1128520), (19654, 1064440), (20470, 1022008), (20605, 1015312), (22072, 947830), (23140, 904084), (23920, 874603), (25360, 824941), (26611, 786160), (27590, 758264), (28213, 741520), (28520, 733538), (29164, 717340), (32240, 648899), (32752, 638755), (32968, 634570), (35867, 583280), (36455, 573872), (37076, 564260), (39308, 532220), (40940, 511004), (41210, 507656), (44144, 473915), (46280, 452042), (46345, 451408), (49135, 425776), (53222, 393080), (55180, 379132), (56426, 370760), (57040, 366769), (58328, 358670), (63457, 329680), (65936, 317285), (71734, 291640), (72910, 286936), (74152, 282130), (78616, 266110), (81880, 255502), (82420, 253828), (92560, 226021), (92690, 225704), (94783, 220720), (98270, 212888), (106444, 196540), (110360, 189566), (112852, 185380), (116656, 179335), (126914, 164840), (127751, 163760), (133055, 157232), (141065, 148304), (143468, 145820)]