2017193980

素因数分解:

$2^2\times 5^1\times {\mathrm{4073}}^1\times {\mathrm{24763}}^1$

素因数の和:28845

約数の個数: 24

約数和(自身を含む): 4237318512

約数和(自身を除く): 2220124532

約数列:

[1, 2, 4, 5, 10, 20, 4073, 8146, 16292, 20365, 24763, 40730, 49526, 81460, 99052, 123815, 247630, 495260, 100859699, 201719398, 403438796, 504298495, 1008596990, 2017193980]

約数ペア:

[(1, 2017193980), (2, 1008596990), (4, 504298495), (5, 403438796), (10, 201719398), (20, 100859699), (4073, 495260), (8146, 247630), (16292, 123815), (20365, 99052), (24763, 81460), (40730, 49526)]