20880451655

素因数分解:

$5^1\times 7^1\times {\mathrm{6917}}^1\times {\mathrm{86249}}^1$

素因数の和:93178

約数の個数: 16

約数和(自身を含む): 28640520000

約数和(自身を除く): 7760068345

約数列:

[1, 5, 7, 35, 6917, 34585, 48419, 86249, 242095, 431245, 603743, 3018715, 596584333, 2982921665, 4176090331, 20880451655]

約数ペア:

[(1, 20880451655), (5, 4176090331), (7, 2982921665), (35, 596584333), (6917, 3018715), (34585, 603743), (48419, 431245), (86249, 242095)]