20305481

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{4349}}^1$

素因数の和:4408

約数の個数: 16

約数和(自身を含む): 25056000

約数和(自身を除く): 4750519

約数列:

[1, 7, 23, 29, 161, 203, 667, 4349, 4669, 30443, 100027, 126121, 700189, 882847, 2900783, 20305481]

約数ペア:

[(1, 20305481), (7, 2900783), (23, 882847), (29, 700189), (161, 126121), (203, 100027), (667, 30443), (4349, 4669)]