20726958

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{2213}}^1$

素因数の和:2448

約数の個数: 32

約数和(自身を含む): 47609856

約数和(自身を除く): 26882898

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 223, 446, 669, 1338, 1561, 2213, 3122, 4426, 4683, 6639, 9366, 13278, 15491, 30982, 46473, 92946, 493499, 986998, 1480497, 2960994, 3454493, 6908986, 10363479, 20726958]

約数ペア:

[(1, 20726958), (2, 10363479), (3, 6908986), (6, 3454493), (7, 2960994), (14, 1480497), (21, 986998), (42, 493499), (223, 92946), (446, 46473), (669, 30982), (1338, 15491), (1561, 13278), (2213, 9366), (3122, 6639), (4426, 4683)]