20365475

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{281}}^1$

素因数の和:527

約数の個数: 24

約数和(自身を含む): 27414912

約数和(自身を除く): 7049437

約数列:

[1, 5, 13, 25, 65, 223, 281, 325, 1115, 1405, 2899, 3653, 5575, 7025, 14495, 18265, 62663, 72475, 91325, 313315, 814619, 1566575, 4073095, 20365475]

約数ペア:

[(1, 20365475), (5, 4073095), (13, 1566575), (25, 814619), (65, 313315), (223, 91325), (281, 72475), (325, 62663), (1115, 18265), (1405, 14495), (2899, 7025), (3653, 5575)]