20210079

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{239}}^1\times {\mathrm{397}}^1$

素因数の和:710

約数の個数: 16

約数和(自身を含む): 27509760

約数和(自身を除く): 7299681

約数列:

[1, 3, 71, 213, 239, 397, 717, 1191, 16969, 28187, 50907, 84561, 94883, 284649, 6736693, 20210079]

約数ペア:

[(1, 20210079), (3, 6736693), (71, 284649), (213, 94883), (239, 84561), (397, 50907), (717, 28187), (1191, 16969)]