20418435

素因数分解:

$3^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{2351}}^1$

素因数の和:2555

約数の個数: 24

約数和(自身を含む): 35590464

約数和(自身を除く): 15172029

約数列:

[1, 3, 5, 9, 15, 45, 193, 579, 965, 1737, 2351, 2895, 7053, 8685, 11755, 21159, 35265, 105795, 453743, 1361229, 2268715, 4083687, 6806145, 20418435]

約数ペア:

[(1, 20418435), (3, 6806145), (5, 4083687), (9, 2268715), (15, 1361229), (45, 453743), (193, 105795), (579, 35265), (965, 21159), (1737, 11755), (2351, 8685), (2895, 7053)]