20784414

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{6779}}^1$

素因数の和:6864

約数の個数: 32

約数和(自身を含む): 48165120

約数和(自身を除く): 27380706

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 73, 146, 219, 438, 511, 1022, 1533, 3066, 6779, 13558, 20337, 40674, 47453, 94906, 142359, 284718, 494867, 989734, 1484601, 2969202, 3464069, 6928138, 10392207, 20784414]

約数ペア:

[(1, 20784414), (2, 10392207), (3, 6928138), (6, 3464069), (7, 2969202), (14, 1484601), (21, 989734), (42, 494867), (73, 284718), (146, 142359), (219, 94906), (438, 47453), (511, 40674), (1022, 20337), (1533, 13558), (3066, 6779)]