20122592360

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{523}}^1\times {\mathrm{3217}}^1$

素因数の和:3787

約数の個数: 128

約数和(自身を含む): 50991655680

約数和(自身を除く): 30869063320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 46, 52, 65, 92, 104, 115, 130, 184, 230, 260, 299, 460, 520, 523, 598, 920, 1046, 1196, 1495, 2092, 2392, 2615, 2990, 3217, 4184, 5230, 5980, 6434, 6799, 10460, 11960, 12029, 12868, 13598, 16085, 20920, 24058, 25736, 27196, 32170, 33995, 41821, 48116, 54392, 60145, 64340, 67990, 73991, 83642, 96232, 120290, 128680, 135980, 147982, 156377, 167284, 209105, 240580, 271960, 295964, 312754, 334568, 369955, 418210, 481160, 591928, 625508, 739910, 781885, 836420, 961883, 1251016, 1479820, 1563770, 1672840, 1682491, 1923766, 2959640, 3127540, 3364982, 3847532, 4809415, 6255080, 6729964, 7695064, 8412455, 9618830, 13459928, 16824910, 19237660, 21872383, 33649820, 38475320, 38697293, 43744766, 67299640, 77394586, 87489532, 109361915, 154789172, 174979064, 193486465, 218723830, 309578344, 386972930, 437447660, 503064809, 773945860, 874895320, 1006129618, 1547891720, 2012259236, 2515324045, 4024518472, 5030648090, 10061296180, 20122592360]

約数ペア:

[(1, 20122592360), (2, 10061296180), (4, 5030648090), (5, 4024518472), (8, 2515324045), (10, 2012259236), (13, 1547891720), (20, 1006129618), (23, 874895320), (26, 773945860), (40, 503064809), (46, 437447660), (52, 386972930), (65, 309578344), (92, 218723830), (104, 193486465), (115, 174979064), (130, 154789172), (184, 109361915), (230, 87489532), (260, 77394586), (299, 67299640), (460, 43744766), (520, 38697293), (523, 38475320), (598, 33649820), (920, 21872383), (1046, 19237660), (1196, 16824910), (1495, 13459928), (2092, 9618830), (2392, 8412455), (2615, 7695064), (2990, 6729964), (3217, 6255080), (4184, 4809415), (5230, 3847532), (5980, 3364982), (6434, 3127540), (6799, 2959640), (10460, 1923766), (11960, 1682491), (12029, 1672840), (12868, 1563770), (13598, 1479820), (16085, 1251016), (20920, 961883), (24058, 836420), (25736, 781885), (27196, 739910), (32170, 625508), (33995, 591928), (41821, 481160), (48116, 418210), (54392, 369955), (60145, 334568), (64340, 312754), (67990, 295964), (73991, 271960), (83642, 240580), (96232, 209105), (120290, 167284), (128680, 156377), (135980, 147982)]