20168815

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{1609}}^1$

素因数の和:1746

約数の個数: 16

約数和(自身を含む): 25502400

約数和(自身を除く): 5333585

約数列:

[1, 5, 23, 109, 115, 545, 1609, 2507, 8045, 12535, 37007, 175381, 185035, 876905, 4033763, 20168815]

約数ペア:

[(1, 20168815), (5, 4033763), (23, 876905), (109, 185035), (115, 175381), (545, 37007), (1609, 12535), (2507, 8045)]