20154991645

素因数分解:

$5^1\times {\mathrm{181}}^1\times {\mathrm{1229}}^1\times {\mathrm{18121}}^1$

素因数の和:19536

約数の個数: 16

約数和(自身を含む): 24340745520

約数和(自身を除く): 4185753875

約数列:

[1, 5, 181, 905, 1229, 6145, 18121, 90605, 222449, 1112245, 3279901, 16399505, 22270709, 111353545, 4030998329, 20154991645]

約数ペア:

[(1, 20154991645), (5, 4030998329), (181, 111353545), (905, 22270709), (1229, 16399505), (6145, 3279901), (18121, 1112245), (90605, 222449)]