20518916545

素因数分解:

$5^1\times {\mathrm{431}}^1\times {\mathrm{1613}}^1\times {\mathrm{5903}}^1$

素因数の和:7952

約数の個数: 16

約数和(自身を含む): 24699313152

約数和(自身を除く): 4180396607

約数列:

[1, 5, 431, 1613, 2155, 5903, 8065, 29515, 695203, 2544193, 3476015, 9521539, 12720965, 47607695, 4103783309, 20518916545]

約数ペア:

[(1, 20518916545), (5, 4103783309), (431, 47607695), (1613, 12720965), (2155, 9521539), (5903, 3476015), (8065, 2544193), (29515, 695203)]