20280110

素因数分解:

$2^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1$

素因数の和:388

約数の個数: 32

約数和(自身を含む): 37379232

約数和(自身を除く): 17099122

約数列:

[1, 2, 5, 10, 113, 131, 137, 226, 262, 274, 565, 655, 685, 1130, 1310, 1370, 14803, 15481, 17947, 29606, 30962, 35894, 74015, 77405, 89735, 148030, 154810, 179470, 2028011, 4056022, 10140055, 20280110]

約数ペア:

[(1, 20280110), (2, 10140055), (5, 4056022), (10, 2028011), (113, 179470), (131, 154810), (137, 148030), (226, 89735), (262, 77405), (274, 74015), (565, 35894), (655, 30962), (685, 29606), (1130, 17947), (1310, 15481), (1370, 14803)]