20973835

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{443}}^1\times {\mathrm{557}}^1$

素因数の和:1022

約数の個数: 16

約数和(自身を含む): 26757216

約数和(自身を除く): 5783381

約数列:

[1, 5, 17, 85, 443, 557, 2215, 2785, 7531, 9469, 37655, 47345, 246751, 1233755, 4194767, 20973835]

約数ペア:

[(1, 20973835), (5, 4194767), (17, 1233755), (85, 246751), (443, 47345), (557, 37655), (2215, 9469), (2785, 7531)]