20453405

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{30757}}^1$

素因数の和:30788

約数の個数: 16

約数和(自身を含む): 29527680

約数和(自身を除く): 9074275

約数列:

[1, 5, 7, 19, 35, 95, 133, 665, 30757, 153785, 215299, 584383, 1076495, 2921915, 4090681, 20453405]

約数ペア:

[(1, 20453405), (5, 4090681), (7, 2921915), (19, 1076495), (35, 584383), (95, 215299), (133, 153785), (665, 30757)]