20457099840

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{239}}^1\times {\mathrm{547}}^1$

素因数の和:969

約数の個数: 224

約数和(自身を含む): 65743165440

約数和(自身を除く): 45286065600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 163, 192, 239, 240, 320, 326, 478, 480, 489, 547, 652, 717, 815, 956, 960, 978, 1094, 1195, 1304, 1434, 1630, 1641, 1912, 1956, 2188, 2390, 2445, 2608, 2735, 2868, 3260, 3282, 3585, 3824, 3912, 4376, 4780, 4890, 5216, 5470, 5736, 6520, 6564, 7170, 7648, 7824, 8205, 8752, 9560, 9780, 10432, 10940, 11472, 13040, 13128, 14340, 15296, 15648, 16410, 17504, 19120, 19560, 21880, 22944, 26080, 26256, 28680, 31296, 32820, 35008, 38240, 38957, 39120, 43760, 45888, 52160, 52512, 57360, 65640, 76480, 77914, 78240, 87520, 89161, 105024, 114720, 116871, 130733, 131280, 155828, 156480, 175040, 178322, 194785, 229440, 233742, 261466, 262560, 267483, 311656, 356644, 389570, 392199, 445805, 467484, 522932, 525120, 534966, 584355, 623312, 653665, 713288, 779140, 784398, 891610, 934968, 1045864, 1069932, 1168710, 1246624, 1307330, 1337415, 1426576, 1558280, 1568796, 1783220, 1869936, 1960995, 2091728, 2139864, 2337420, 2493248, 2614660, 2674830, 2853152, 3116560, 3137592, 3566440, 3739872, 3921990, 4183456, 4279728, 4674840, 5229320, 5349660, 5706304, 6233120, 6275184, 7132880, 7479744, 7843980, 8366912, 8559456, 9349680, 10458640, 10699320, 12466240, 12550368, 14265760, 15687960, 17118912, 18699360, 20917280, 21309479, 21398640, 25100736, 28531520, 31375920, 37398720, 41834560, 42618958, 42797280, 62751840, 63928437, 85237916, 85594560, 106547395, 125503680, 127856874, 170475832, 213094790, 255713748, 319642185, 340951664, 426189580, 511427496, 639284370, 681903328, 852379160, 1022854992, 1278568740, 1363806656, 1704758320, 2045709984, 2557137480, 3409516640, 4091419968, 5114274960, 6819033280, 10228549920, 20457099840]

約数ペア:

[(1, 20457099840), (2, 10228549920), (3, 6819033280), (4, 5114274960), (5, 4091419968), (6, 3409516640), (8, 2557137480), (10, 2045709984), (12, 1704758320), (15, 1363806656), (16, 1278568740), (20, 1022854992), (24, 852379160), (30, 681903328), (32, 639284370), (40, 511427496), (48, 426189580), (60, 340951664), (64, 319642185), (80, 255713748), (96, 213094790), (120, 170475832), (160, 127856874), (163, 125503680), (192, 106547395), (239, 85594560), (240, 85237916), (320, 63928437), (326, 62751840), (478, 42797280), (480, 42618958), (489, 41834560), (547, 37398720), (652, 31375920), (717, 28531520), (815, 25100736), (956, 21398640), (960, 21309479), (978, 20917280), (1094, 18699360), (1195, 17118912), (1304, 15687960), (1434, 14265760), (1630, 12550368), (1641, 12466240), (1912, 10699320), (1956, 10458640), (2188, 9349680), (2390, 8559456), (2445, 8366912), (2608, 7843980), (2735, 7479744), (2868, 7132880), (3260, 6275184), (3282, 6233120), (3585, 5706304), (3824, 5349660), (3912, 5229320), (4376, 4674840), (4780, 4279728), (4890, 4183456), (5216, 3921990), (5470, 3739872), (5736, 3566440), (6520, 3137592), (6564, 3116560), (7170, 2853152), (7648, 2674830), (7824, 2614660), (8205, 2493248), (8752, 2337420), (9560, 2139864), (9780, 2091728), (10432, 1960995), (10940, 1869936), (11472, 1783220), (13040, 1568796), (13128, 1558280), (14340, 1426576), (15296, 1337415), (15648, 1307330), (16410, 1246624), (17504, 1168710), (19120, 1069932), (19560, 1045864), (21880, 934968), (22944, 891610), (26080, 784398), (26256, 779140), (28680, 713288), (31296, 653665), (32820, 623312), (35008, 584355), (38240, 534966), (38957, 525120), (39120, 522932), (43760, 467484), (45888, 445805), (52160, 392199), (52512, 389570), (57360, 356644), (65640, 311656), (76480, 267483), (77914, 262560), (78240, 261466), (87520, 233742), (89161, 229440), (105024, 194785), (114720, 178322), (116871, 175040), (130733, 156480), (131280, 155828)]