20505924

素因数分解:

$2^2\times 3^2\times {\mathrm{569609}}^1$

素因数の和:569619

約数の個数: 18

約数和(自身を含む): 51834510

約数和(自身を除く): 31328586

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 569609, 1139218, 1708827, 2278436, 3417654, 5126481, 6835308, 10252962, 20505924]

約数ペア:

[(1, 20505924), (2, 10252962), (3, 6835308), (4, 5126481), (6, 3417654), (9, 2278436), (12, 1708827), (18, 1139218), (36, 569609)]