16720045

素因数分解:

$5^1\times {\mathrm{101}}^1\times {\mathrm{113}}^1\times {\mathrm{293}}^1$

素因数の和:512

約数の個数: 16

約数和(自身を含む): 20511792

約数和(自身を除く): 3791747

約数列:

[1, 5, 101, 113, 293, 505, 565, 1465, 11413, 29593, 33109, 57065, 147965, 165545, 3344009, 16720045]

約数ペア:

[(1, 16720045), (5, 3344009), (101, 165545), (113, 147965), (293, 57065), (505, 33109), (565, 29593), (1465, 11413)]