20165979905

素因数分解:

$5^1\times {\mathrm{23}}^2\times {\mathrm{7624189}}^1$

素因数の和:7624240

約数の個数: 12

約数和(自身を含む): 25297062420

約数和(自身を除く): 5131082515

約数列:

[1, 5, 23, 115, 529, 2645, 7624189, 38120945, 175356347, 876781735, 4033195981, 20165979905]

約数ペア:

[(1, 20165979905), (5, 4033195981), (23, 876781735), (115, 175356347), (529, 38120945), (2645, 7624189)]