20908575

素因数分解:

$3^2\times 5^2\times {\mathrm{92927}}^1$

素因数の和:92943

約数の個数: 18

約数和(自身を含む): 37449984

約数和(自身を除く): 16541409

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 92927, 278781, 464635, 836343, 1393905, 2323175, 4181715, 6969525, 20908575]

約数ペア:

[(1, 20908575), (3, 6969525), (5, 4181715), (9, 2323175), (15, 1393905), (25, 836343), (45, 464635), (75, 278781), (225, 92927)]