20724095

素因数分解:

$5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{6653}}^1$

素因数の和:6754

約数の個数: 16

約数和(自身を含む): 28745280

約数和(自身を除く): 8021185

約数列:

[1, 5, 7, 35, 89, 445, 623, 3115, 6653, 33265, 46571, 232855, 592117, 2960585, 4144819, 20724095]

約数ペア:

[(1, 20724095), (5, 4144819), (7, 2960585), (35, 592117), (89, 232855), (445, 46571), (623, 33265), (3115, 6653)]