204470020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{538079}}^1$

素因数の和:538107

約数の個数: 24

約数和(自身を含む): 451987200

約数和(自身を除く): 247517180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 538079, 1076158, 2152316, 2690395, 5380790, 10223501, 10761580, 20447002, 40894004, 51117505, 102235010, 204470020]

約数ペア:

[(1, 204470020), (2, 102235010), (4, 51117505), (5, 40894004), (10, 20447002), (19, 10761580), (20, 10223501), (38, 5380790), (76, 2690395), (95, 2152316), (190, 1076158), (380, 538079)]