20138346980

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{8910773}}^1$

素因数の和:8910895

約数の個数: 24

約数和(自身を含む): 42664785912

約数和(自身を除く): 22526438932

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 8910773, 17821546, 35643092, 44553865, 89107730, 178215460, 1006917349, 2013834698, 4027669396, 5034586745, 10069173490, 20138346980]

約数ペア:

[(1, 20138346980), (2, 10069173490), (4, 5034586745), (5, 4027669396), (10, 2013834698), (20, 1006917349), (113, 178215460), (226, 89107730), (452, 44553865), (565, 35643092), (1130, 17821546), (2260, 8910773)]