20786620014

素因数分解:

$2^1\times 3^2\times {\mathrm{263}}^1\times {\mathrm{4390921}}^1$

素因数の和:4391192

約数の個数: 24

約数和(自身を含む): 45208932912

約数和(自身を除く): 24422312898

約数列:

[1, 2, 3, 6, 9, 18, 263, 526, 789, 1578, 2367, 4734, 4390921, 8781842, 13172763, 26345526, 39518289, 79036578, 1154812223, 2309624446, 3464436669, 6928873338, 10393310007, 20786620014]

約数ペア:

[(1, 20786620014), (2, 10393310007), (3, 6928873338), (6, 3464436669), (9, 2309624446), (18, 1154812223), (263, 79036578), (526, 39518289), (789, 26345526), (1578, 13172763), (2367, 8781842), (4734, 4390921)]