20975742

素因数分解:

$2^1\times 3^2\times {\mathrm{109}}^1\times {\mathrm{10691}}^1$

素因数の和:10808

約数の個数: 24

約数和(自身を含む): 45868680

約数和(自身を除く): 24892938

約数列:

[1, 2, 3, 6, 9, 18, 109, 218, 327, 654, 981, 1962, 10691, 21382, 32073, 64146, 96219, 192438, 1165319, 2330638, 3495957, 6991914, 10487871, 20975742]

約数ペア:

[(1, 20975742), (2, 10487871), (3, 6991914), (6, 3495957), (9, 2330638), (18, 1165319), (109, 192438), (218, 96219), (327, 64146), (654, 32073), (981, 21382), (1962, 10691)]