20549020

素因数分解:

$2^2\times 5^1\times {\mathrm{719}}^1\times {\mathrm{1429}}^1$

素因数の和:2157

約数の個数: 24

約数和(自身を含む): 43243200

約数和(自身を除く): 22694180

約数列:

[1, 2, 4, 5, 10, 20, 719, 1429, 1438, 2858, 2876, 3595, 5716, 7145, 7190, 14290, 14380, 28580, 1027451, 2054902, 4109804, 5137255, 10274510, 20549020]

約数ペア:

[(1, 20549020), (2, 10274510), (4, 5137255), (5, 4109804), (10, 2054902), (20, 1027451), (719, 28580), (1429, 14380), (1438, 14290), (2858, 7190), (2876, 7145), (3595, 5716)]