20148650

素因数分解:

$2^1\times 5^2\times {\mathrm{109}}^1\times {\mathrm{3697}}^1$

素因数の和:3818

約数の個数: 24

約数和(自身を含む): 37830540

約数和(自身を除く): 17681890

約数列:

[1, 2, 5, 10, 25, 50, 109, 218, 545, 1090, 2725, 3697, 5450, 7394, 18485, 36970, 92425, 184850, 402973, 805946, 2014865, 4029730, 10074325, 20148650]

約数ペア:

[(1, 20148650), (2, 10074325), (5, 4029730), (10, 2014865), (25, 805946), (50, 402973), (109, 184850), (218, 92425), (545, 36970), (1090, 18485), (2725, 7394), (3697, 5450)]