20898986475

素因数分解:

$3^1\times 5^2\times {\mathrm{7717}}^1\times {\mathrm{36109}}^1$

素因数の和:43839

約数の個数: 24

約数和(自身を含む): 34558425520

約数和(自身を除く): 13659439045

約数列:

[1, 3, 5, 15, 25, 75, 7717, 23151, 36109, 38585, 108327, 115755, 180545, 192925, 541635, 578775, 902725, 2708175, 278653153, 835959459, 1393265765, 4179797295, 6966328825, 20898986475]

約数ペア:

[(1, 20898986475), (3, 6966328825), (5, 4179797295), (15, 1393265765), (25, 835959459), (75, 278653153), (7717, 2708175), (23151, 902725), (36109, 578775), (38585, 541635), (108327, 192925), (115755, 180545)]