20005505

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{10613}}^1$

素因数の和:10660

約数の個数: 16

約数和(自身を含む): 26747280

約数和(自身を除く): 6741775

約数列:

[1, 5, 13, 29, 65, 145, 377, 1885, 10613, 53065, 137969, 307777, 689845, 1538885, 4001101, 20005505]

約数ペア:

[(1, 20005505), (5, 4001101), (13, 1538885), (29, 689845), (65, 307777), (145, 137969), (377, 53065), (1885, 10613)]