38544020

素因数分解:

$2^2\times 5^1\times {\mathrm{997}}^1\times {\mathrm{1933}}^1$

素因数の和:2939

約数の個数: 24

約数和(自身を含む): 81065544

約数和(自身を除く): 42521524

約数列:

[1, 2, 4, 5, 10, 20, 997, 1933, 1994, 3866, 3988, 4985, 7732, 9665, 9970, 19330, 19940, 38660, 1927201, 3854402, 7708804, 9636005, 19272010, 38544020]

約数ペア:

[(1, 38544020), (2, 19272010), (4, 9636005), (5, 7708804), (10, 3854402), (20, 1927201), (997, 38660), (1933, 19940), (1994, 19330), (3866, 9970), (3988, 9665), (4985, 7732)]