20174920915

素因数分解:

$5^1\times {\mathrm{127}}^1\times {\mathrm{409}}^1\times {\mathrm{77681}}^1$

素因数の和:78222

約数の個数: 16

約数和(自身を含む): 24460508160

約数和(自身を除く): 4285587245

約数列:

[1, 5, 127, 409, 635, 2045, 51943, 77681, 259715, 388405, 9865487, 31771529, 49327435, 158857645, 4034984183, 20174920915]

約数ペア:

[(1, 20174920915), (5, 4034984183), (127, 158857645), (409, 49327435), (635, 31771529), (2045, 9865487), (51943, 388405), (77681, 259715)]