20691906

素因数分解:

$2^1\times 3^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{1091}}^1$

素因数の和:1234

約数の個数: 32

約数和(自身を含む): 43243200

約数和(自身を除く): 22551294

約数列:

[1, 2, 3, 6, 29, 58, 87, 109, 174, 218, 327, 654, 1091, 2182, 3161, 3273, 6322, 6546, 9483, 18966, 31639, 63278, 94917, 118919, 189834, 237838, 356757, 713514, 3448651, 6897302, 10345953, 20691906]

約数ペア:

[(1, 20691906), (2, 10345953), (3, 6897302), (6, 3448651), (29, 713514), (58, 356757), (87, 237838), (109, 189834), (174, 118919), (218, 94917), (327, 63278), (654, 31639), (1091, 18966), (2182, 9483), (3161, 6546), (3273, 6322)]