20280491110

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1231}}^1\times {\mathrm{149771}}^1$

素因数の和:151020

約数の個数: 32

約数和(自身を含む): 39856126464

約数和(自身を除く): 19575635354

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 1231, 2462, 6155, 12310, 13541, 27082, 67705, 135410, 149771, 299542, 748855, 1497710, 1647481, 3294962, 8237405, 16474810, 184368101, 368736202, 921840505, 1843681010, 2028049111, 4056098222, 10140245555, 20280491110]

約数ペア:

[(1, 20280491110), (2, 10140245555), (5, 4056098222), (10, 2028049111), (11, 1843681010), (22, 921840505), (55, 368736202), (110, 184368101), (1231, 16474810), (2462, 8237405), (6155, 3294962), (12310, 1647481), (13541, 1497710), (27082, 748855), (67705, 299542), (135410, 149771)]