20874658

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^2\times {\mathrm{887}}^1$

素因数の和:978

約数の個数: 24

約数和(自身を含む): 36720576

約数和(自身を除く): 15845918

約数列:

[1, 2, 7, 14, 41, 82, 287, 574, 887, 1681, 1774, 3362, 6209, 11767, 12418, 23534, 36367, 72734, 254569, 509138, 1491047, 2982094, 10437329, 20874658]

約数ペア:

[(1, 20874658), (2, 10437329), (7, 2982094), (14, 1491047), (41, 509138), (82, 254569), (287, 72734), (574, 36367), (887, 23534), (1681, 12418), (1774, 11767), (3362, 6209)]