20404644910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{701}}^1\times {\mathrm{13171}}^1$

素因数の和:13909

約数の個数: 64

約数和(自身を含む): 41943230784

約数和(自身を除く): 21538585874

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 701, 1105, 1402, 2210, 3505, 7010, 9113, 11917, 13171, 18226, 23834, 26342, 45565, 59585, 65855, 91130, 119170, 131710, 154921, 171223, 223907, 309842, 342446, 447814, 774605, 856115, 1119535, 1549210, 1712230, 2239070, 2910791, 5821582, 9232871, 14553955, 18465742, 29107910, 46164355, 92328710, 120027323, 156958807, 240054646, 313917614, 600136615, 784794035, 1200273230, 1569588070, 2040464491, 4080928982, 10202322455, 20404644910]

約数ペア:

[(1, 20404644910), (2, 10202322455), (5, 4080928982), (10, 2040464491), (13, 1569588070), (17, 1200273230), (26, 784794035), (34, 600136615), (65, 313917614), (85, 240054646), (130, 156958807), (170, 120027323), (221, 92328710), (442, 46164355), (701, 29107910), (1105, 18465742), (1402, 14553955), (2210, 9232871), (3505, 5821582), (7010, 2910791), (9113, 2239070), (11917, 1712230), (13171, 1549210), (18226, 1119535), (23834, 856115), (26342, 774605), (45565, 447814), (59585, 342446), (65855, 309842), (91130, 223907), (119170, 171223), (131710, 154921)]