20341573

素因数分解:

$7^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{317}}^1$

素因数の和:516

約数の個数: 16

約数和(自身を含む): 23811840

約数和(自身を除く): 3470267

約数列:

[1, 7, 89, 103, 317, 623, 721, 2219, 9167, 28213, 32651, 64169, 197491, 228557, 2905939, 20341573]

約数ペア:

[(1, 20341573), (7, 2905939), (89, 228557), (103, 197491), (317, 64169), (623, 32651), (721, 28213), (2219, 9167)]