20565207910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{4275511}}^1$

素因数の和:4275568

約数の個数: 32

約数和(自身を含む): 40942302912

約数和(自身を除く): 20377095002

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 185, 370, 481, 962, 2405, 4810, 4275511, 8551022, 21377555, 42755110, 55581643, 111163286, 158193907, 277908215, 316387814, 555816430, 790969535, 1581939070, 2056520791, 4113041582, 10282603955, 20565207910]

約数ペア:

[(1, 20565207910), (2, 10282603955), (5, 4113041582), (10, 2056520791), (13, 1581939070), (26, 790969535), (37, 555816430), (65, 316387814), (74, 277908215), (130, 158193907), (185, 111163286), (370, 55581643), (481, 42755110), (962, 21377555), (2405, 8551022), (4810, 4275511)]