2020126420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7769717}}^1$

素因数の和:7769739

約数の個数: 24

約数和(自身を含む): 4568594184

約数和(自身を除く): 2548467764

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 7769717, 15539434, 31078868, 38848585, 77697170, 101006321, 155394340, 202012642, 404025284, 505031605, 1010063210, 2020126420]

約数ペア:

[(1, 2020126420), (2, 1010063210), (4, 505031605), (5, 404025284), (10, 202012642), (13, 155394340), (20, 101006321), (26, 77697170), (52, 38848585), (65, 31078868), (130, 15539434), (260, 7769717)]