20312150

素因数分解:

$2^1\times 5^2\times {\mathrm{109}}^1\times {\mathrm{3727}}^1$

素因数の和:3848

約数の個数: 24

約数和(自身を含む): 38137440

約数和(自身を除く): 17825290

約数列:

[1, 2, 5, 10, 25, 50, 109, 218, 545, 1090, 2725, 3727, 5450, 7454, 18635, 37270, 93175, 186350, 406243, 812486, 2031215, 4062430, 10156075, 20312150]

約数ペア:

[(1, 20312150), (2, 10156075), (5, 4062430), (10, 2031215), (25, 812486), (50, 406243), (109, 186350), (218, 93175), (545, 37270), (1090, 18635), (2725, 7454), (3727, 5450)]