20123394050

素因数分解:

$2^1\times 5^2\times {\mathrm{397}}^1\times {\mathrm{1013773}}^1$

素因数の和:1014182

約数の個数: 24

約数和(自身を含む): 37523830836

約数和(自身を除く): 17400436786

約数列:

[1, 2, 5, 10, 25, 50, 397, 794, 1985, 3970, 9925, 19850, 1013773, 2027546, 5068865, 10137730, 25344325, 50688650, 402467881, 804935762, 2012339405, 4024678810, 10061697025, 20123394050]

約数ペア:

[(1, 20123394050), (2, 10061697025), (5, 4024678810), (10, 2012339405), (25, 804935762), (50, 402467881), (397, 50688650), (794, 25344325), (1985, 10137730), (3970, 5068865), (9925, 2027546), (19850, 1013773)]