20512115885885

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{61751}}^1\times {\mathrm{5110379}}^1$

素因数の和:5172148

約数の個数: 16

約数和(自身を含む): 26508399603840

約数和(自身を除く): 5996283717955

約数列:

[1, 5, 13, 65, 61751, 308755, 802763, 4013815, 5110379, 25551895, 66434927, 332174635, 315571013629, 1577855068145, 4102423177177, 20512115885885]

約数ペア:

[(1, 20512115885885), (5, 4102423177177), (13, 1577855068145), (65, 315571013629), (61751, 332174635), (308755, 66434927), (802763, 25551895), (4013815, 5110379)]