20194202920

素因数分解:

$2^3\times 5^1\times {\mathrm{1151}}^1\times {\mathrm{438623}}^1$

素因数の和:439785

約数の個数: 32

約数和(自身を含む): 45476536320

約数和(自身を除く): 25282333400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1151, 2302, 4604, 5755, 9208, 11510, 23020, 46040, 438623, 877246, 1754492, 2193115, 3508984, 4386230, 8772460, 17544920, 504855073, 1009710146, 2019420292, 2524275365, 4038840584, 5048550730, 10097101460, 20194202920]

約数ペア:

[(1, 20194202920), (2, 10097101460), (4, 5048550730), (5, 4038840584), (8, 2524275365), (10, 2019420292), (20, 1009710146), (40, 504855073), (1151, 17544920), (2302, 8772460), (4604, 4386230), (5755, 3508984), (9208, 2193115), (11510, 1754492), (23020, 877246), (46040, 438623)]