20632160

素因数分解:

$2^5\times 5^1\times {\mathrm{128951}}^1$

素因数の和:128966

約数の個数: 24

約数和(自身を含む): 48743856

約数和(自身を除く): 28111696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 128951, 257902, 515804, 644755, 1031608, 1289510, 2063216, 2579020, 4126432, 5158040, 10316080, 20632160]

約数ペア:

[(1, 20632160), (2, 10316080), (4, 5158040), (5, 4126432), (8, 2579020), (10, 2063216), (16, 1289510), (20, 1031608), (32, 644755), (40, 515804), (80, 257902), (160, 128951)]