20565118565

素因数分解:

$5^1\times {\mathrm{53}}^1\times {\mathrm{883}}^1\times {\mathrm{87887}}^1$

素因数の和:88828

約数の個数: 16

約数和(自身を含む): 25172529408

約数和(自身を除く): 4607410843

約数列:

[1, 5, 53, 265, 883, 4415, 46799, 87887, 233995, 439435, 4658011, 23290055, 77604221, 388021105, 4113023713, 20565118565]

約数ペア:

[(1, 20565118565), (5, 4113023713), (53, 388021105), (265, 77604221), (883, 23290055), (4415, 4658011), (46799, 439435), (87887, 233995)]