20756575

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{6977}}^1$

素因数の和:7011

約数の個数: 24

約数和(自身を含む): 31149792

約数和(自身を除く): 10393217

約数列:

[1, 5, 7, 17, 25, 35, 85, 119, 175, 425, 595, 2975, 6977, 34885, 48839, 118609, 174425, 244195, 593045, 830263, 1220975, 2965225, 4151315, 20756575]

約数ペア:

[(1, 20756575), (5, 4151315), (7, 2965225), (17, 1220975), (25, 830263), (35, 593045), (85, 244195), (119, 174425), (175, 118609), (425, 48839), (595, 34885), (2975, 6977)]