20951025

素因数分解:

$3^1\times 5^2\times {\mathrm{409}}^1\times {\mathrm{683}}^1$

素因数の和:1105

約数の個数: 24

約数和(自身を含む): 34774560

約数和(自身を除く): 13823535

約数列:

[1, 3, 5, 15, 25, 75, 409, 683, 1227, 2045, 2049, 3415, 6135, 10225, 10245, 17075, 30675, 51225, 279347, 838041, 1396735, 4190205, 6983675, 20951025]

約数ペア:

[(1, 20951025), (3, 6983675), (5, 4190205), (15, 1396735), (25, 838041), (75, 279347), (409, 51225), (683, 30675), (1227, 17075), (2045, 10245), (2049, 10225), (3415, 6135)]