20080262416

素因数分解:

$2^4\times {\mathrm{431}}^1\times {\mathrm{2911871}}^1$

素因数の和:2912310

約数の個数: 20

約数和(自身を含む): 38995789824

約数和(自身を除く): 18915527408

約数列:

[1, 2, 4, 8, 16, 431, 862, 1724, 3448, 6896, 2911871, 5823742, 11647484, 23294968, 46589936, 1255016401, 2510032802, 5020065604, 10040131208, 20080262416]

約数ペア:

[(1, 20080262416), (2, 10040131208), (4, 5020065604), (8, 2510032802), (16, 1255016401), (431, 46589936), (862, 23294968), (1724, 11647484), (3448, 5823742), (6896, 2911871)]