20291556404

素因数分解:

$2^2\times 7^2\times {\mathrm{103528349}}^1$

素因数の和:103528367

約数の個数: 18

約数和(自身を含む): 41307811650

約数和(自身を除く): 21016255246

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 103528349, 207056698, 414113396, 724698443, 1449396886, 2898793772, 5072889101, 10145778202, 20291556404]

約数ペア:

[(1, 20291556404), (2, 10145778202), (4, 5072889101), (7, 2898793772), (14, 1449396886), (28, 724698443), (49, 414113396), (98, 207056698), (196, 103528349)]