20970061

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{313}}^1\times {\mathrm{563}}^1$

素因数の和:900

約数の個数: 16

約数和(自身を含む): 25501824

約数和(自身を除く): 4531763

約数列:

[1, 7, 17, 119, 313, 563, 2191, 3941, 5321, 9571, 37247, 66997, 176219, 1233533, 2995723, 20970061]

約数ペア:

[(1, 20970061), (7, 2995723), (17, 1233533), (119, 176219), (313, 66997), (563, 37247), (2191, 9571), (3941, 5321)]