20888925

素因数分解:

$3^1\times 5^2\times {\mathrm{67}}^1\times {\mathrm{4157}}^1$

素因数の和:4237

約数の個数: 24

約数和(自身を含む): 35060256

約数和(自身を除く): 14171331

約数列:

[1, 3, 5, 15, 25, 67, 75, 201, 335, 1005, 1675, 4157, 5025, 12471, 20785, 62355, 103925, 278519, 311775, 835557, 1392595, 4177785, 6962975, 20888925]

約数ペア:

[(1, 20888925), (3, 6962975), (5, 4177785), (15, 1392595), (25, 835557), (67, 311775), (75, 278519), (201, 103925), (335, 62355), (1005, 20785), (1675, 12471), (4157, 5025)]