20688001475

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{972409}}^1$

素因数の和:972479

約数の個数: 24

約数和(自身を含む): 27491975520

約数和(自身を除く): 6803974045

約数列:

[1, 5, 23, 25, 37, 115, 185, 575, 851, 925, 4255, 21275, 972409, 4862045, 22365407, 24310225, 35979133, 111827035, 179895665, 559135175, 827520059, 899478325, 4137600295, 20688001475]

約数ペア:

[(1, 20688001475), (5, 4137600295), (23, 899478325), (25, 827520059), (37, 559135175), (115, 179895665), (185, 111827035), (575, 35979133), (851, 24310225), (925, 22365407), (4255, 4862045), (21275, 972409)]