20865798

素因数分解:

$2^1\times 3^2\times {\mathrm{359}}^1\times {\mathrm{3229}}^1$

素因数の和:3596

約数の個数: 24

約数和(自身を含む): 45349200

約数和(自身を除く): 24483402

約数列:

[1, 2, 3, 6, 9, 18, 359, 718, 1077, 2154, 3229, 3231, 6458, 6462, 9687, 19374, 29061, 58122, 1159211, 2318422, 3477633, 6955266, 10432899, 20865798]

約数ペア:

[(1, 20865798), (2, 10432899), (3, 6955266), (6, 3477633), (9, 2318422), (18, 1159211), (359, 58122), (718, 29061), (1077, 19374), (2154, 9687), (3229, 6462), (3231, 6458)]