20177500990

素因数分解:

$2^1\times 5^1\times {\mathrm{1381}}^1\times {\mathrm{1461079}}^1$

素因数の和:1462467

約数の個数: 16

約数和(自身を含む): 36345826080

約数和(自身を除く): 16168325090

約数列:

[1, 2, 5, 10, 1381, 2762, 6905, 13810, 1461079, 2922158, 7305395, 14610790, 2017750099, 4035500198, 10088750495, 20177500990]

約数ペア:

[(1, 20177500990), (2, 10088750495), (5, 4035500198), (10, 2017750099), (1381, 14610790), (2762, 7305395), (6905, 2922158), (13810, 1461079)]