20018310

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{51329}}^1$

素因数の和:51352

約数の個数: 32

約数和(自身を含む): 51740640

約数和(自身を除く): 31722330

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 51329, 102658, 153987, 256645, 307974, 513290, 667277, 769935, 1334554, 1539870, 2001831, 3336385, 4003662, 6672770, 10009155, 20018310]

約数ペア:

[(1, 20018310), (2, 10009155), (3, 6672770), (5, 4003662), (6, 3336385), (10, 2001831), (13, 1539870), (15, 1334554), (26, 769935), (30, 667277), (39, 513290), (65, 307974), (78, 256645), (130, 153987), (195, 102658), (390, 51329)]