20021040

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:89

約数の個数: 320

約数和(自身を含む): 79994880

約数和(自身を除く): 59973840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 23, 24, 26, 27, 30, 31, 36, 39, 40, 45, 46, 48, 52, 54, 60, 62, 65, 69, 72, 78, 80, 90, 92, 93, 104, 108, 115, 117, 120, 124, 130, 135, 138, 144, 155, 156, 180, 184, 186, 195, 207, 208, 216, 230, 234, 240, 248, 260, 270, 276, 279, 299, 310, 312, 345, 351, 360, 368, 372, 390, 403, 414, 432, 460, 465, 468, 496, 520, 540, 552, 558, 585, 598, 620, 621, 624, 690, 702, 713, 720, 744, 780, 806, 828, 837, 897, 920, 930, 936, 1035, 1040, 1080, 1104, 1116, 1170, 1196, 1209, 1240, 1242, 1380, 1395, 1404, 1426, 1488, 1495, 1560, 1612, 1656, 1674, 1755, 1794, 1840, 1860, 1872, 2015, 2070, 2139, 2160, 2232, 2340, 2392, 2418, 2480, 2484, 2691, 2760, 2790, 2808, 2852, 2990, 3105, 3120, 3224, 3312, 3348, 3510, 3565, 3588, 3627, 3720, 4030, 4140, 4185, 4278, 4464, 4485, 4680, 4784, 4836, 4968, 5382, 5520, 5580, 5616, 5704, 5980, 6045, 6210, 6417, 6448, 6696, 7020, 7130, 7176, 7254, 7440, 8060, 8073, 8280, 8370, 8556, 8970, 9269, 9360, 9672, 9936, 10695, 10764, 10881, 11160, 11408, 11960, 12090, 12420, 12834, 13392, 13455, 14040, 14260, 14352, 14508, 16120, 16146, 16560, 16740, 17112, 17940, 18135, 18538, 19251, 19344, 21390, 21528, 21762, 22320, 23920, 24180, 24840, 25668, 26910, 27807, 28080, 28520, 29016, 32085, 32240, 32292, 33480, 34224, 35880, 36270, 37076, 38502, 40365, 42780, 43056, 43524, 46345, 48360, 49680, 51336, 53820, 54405, 55614, 57040, 58032, 64170, 64584, 66960, 71760, 72540, 74152, 77004, 80730, 83421, 85560, 87048, 92690, 96255, 96720, 102672, 107640, 108810, 111228, 128340, 129168, 139035, 145080, 148304, 154008, 161460, 166842, 171120, 174096, 185380, 192510, 215280, 217620, 222456, 250263, 256680, 278070, 290160, 308016, 322920, 333684, 370760, 385020, 417105, 435240, 444912, 500526, 513360, 556140, 645840, 667368, 741520, 770040, 834210, 870480, 1001052, 1112280, 1251315, 1334736, 1540080, 1668420, 2002104, 2224560, 2502630, 3336840, 4004208, 5005260, 6673680, 10010520, 20021040]

約数ペア:

[(1, 20021040), (2, 10010520), (3, 6673680), (4, 5005260), (5, 4004208), (6, 3336840), (8, 2502630), (9, 2224560), (10, 2002104), (12, 1668420), (13, 1540080), (15, 1334736), (16, 1251315), (18, 1112280), (20, 1001052), (23, 870480), (24, 834210), (26, 770040), (27, 741520), (30, 667368), (31, 645840), (36, 556140), (39, 513360), (40, 500526), (45, 444912), (46, 435240), (48, 417105), (52, 385020), (54, 370760), (60, 333684), (62, 322920), (65, 308016), (69, 290160), (72, 278070), (78, 256680), (80, 250263), (90, 222456), (92, 217620), (93, 215280), (104, 192510), (108, 185380), (115, 174096), (117, 171120), (120, 166842), (124, 161460), (130, 154008), (135, 148304), (138, 145080), (144, 139035), (155, 129168), (156, 128340), (180, 111228), (184, 108810), (186, 107640), (195, 102672), (207, 96720), (208, 96255), (216, 92690), (230, 87048), (234, 85560), (240, 83421), (248, 80730), (260, 77004), (270, 74152), (276, 72540), (279, 71760), (299, 66960), (310, 64584), (312, 64170), (345, 58032), (351, 57040), (360, 55614), (368, 54405), (372, 53820), (390, 51336), (403, 49680), (414, 48360), (432, 46345), (460, 43524), (465, 43056), (468, 42780), (496, 40365), (520, 38502), (540, 37076), (552, 36270), (558, 35880), (585, 34224), (598, 33480), (620, 32292), (621, 32240), (624, 32085), (690, 29016), (702, 28520), (713, 28080), (720, 27807), (744, 26910), (780, 25668), (806, 24840), (828, 24180), (837, 23920), (897, 22320), (920, 21762), (930, 21528), (936, 21390), (1035, 19344), (1040, 19251), (1080, 18538), (1104, 18135), (1116, 17940), (1170, 17112), (1196, 16740), (1209, 16560), (1240, 16146), (1242, 16120), (1380, 14508), (1395, 14352), (1404, 14260), (1426, 14040), (1488, 13455), (1495, 13392), (1560, 12834), (1612, 12420), (1656, 12090), (1674, 11960), (1755, 11408), (1794, 11160), (1840, 10881), (1860, 10764), (1872, 10695), (2015, 9936), (2070, 9672), (2139, 9360), (2160, 9269), (2232, 8970), (2340, 8556), (2392, 8370), (2418, 8280), (2480, 8073), (2484, 8060), (2691, 7440), (2760, 7254), (2790, 7176), (2808, 7130), (2852, 7020), (2990, 6696), (3105, 6448), (3120, 6417), (3224, 6210), (3312, 6045), (3348, 5980), (3510, 5704), (3565, 5616), (3588, 5580), (3627, 5520), (3720, 5382), (4030, 4968), (4140, 4836), (4185, 4784), (4278, 4680), (4464, 4485)]