20177042739

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{56518327}}^1$

素因数の和:56518354

約数の個数: 16

約数和(自身を含む): 32554556928

約数和(自身を除く): 12377514189

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 56518327, 169554981, 395628289, 960811559, 1186884867, 2882434677, 6725680913, 20177042739]

約数ペア:

[(1, 20177042739), (3, 6725680913), (7, 2882434677), (17, 1186884867), (21, 960811559), (51, 395628289), (119, 169554981), (357, 56518327)]