2021897930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{420353}}^1$

素因数の和:420410

約数の個数: 32

約数和(自身を含む): 4025309904

約数和(自身を除く): 2003411974

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 185, 370, 481, 962, 2405, 4810, 420353, 840706, 2101765, 4203530, 5464589, 10929178, 15553061, 27322945, 31106122, 54645890, 77765305, 155530610, 202189793, 404379586, 1010948965, 2021897930]

約数ペア:

[(1, 2021897930), (2, 1010948965), (5, 404379586), (10, 202189793), (13, 155530610), (26, 77765305), (37, 54645890), (65, 31106122), (74, 27322945), (130, 15553061), (185, 10929178), (370, 5464589), (481, 4203530), (962, 2101765), (2405, 840706), (4810, 420353)]