20172975784

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{2251}}^1\times {\mathrm{86171}}^1$

素因数の和:88441

約数の個数: 32

約数和(自身を含む): 40752462240

約数和(自身を除く): 20579486456

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 2251, 4502, 9004, 18008, 29263, 58526, 86171, 117052, 172342, 234104, 344684, 689368, 1120223, 2240446, 4480892, 8961784, 193970921, 387941842, 775883684, 1551767368, 2521621973, 5043243946, 10086487892, 20172975784]

約数ペア:

[(1, 20172975784), (2, 10086487892), (4, 5043243946), (8, 2521621973), (13, 1551767368), (26, 775883684), (52, 387941842), (104, 193970921), (2251, 8961784), (4502, 4480892), (9004, 2240446), (18008, 1120223), (29263, 689368), (58526, 344684), (86171, 234104), (117052, 172342)]