20369925

素因数分解:

$3^2\times 5^2\times {\mathrm{90533}}^1$

素因数の和:90549

約数の個数: 18

約数和(自身を含む): 36485202

約数和(自身を除く): 16115277

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 90533, 271599, 452665, 814797, 1357995, 2263325, 4073985, 6789975, 20369925]

約数ペア:

[(1, 20369925), (3, 6789975), (5, 4073985), (9, 2263325), (15, 1357995), (25, 814797), (45, 452665), (75, 271599), (225, 90533)]