20189901586

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{2137}}^1\times {\mathrm{45863}}^1$

素因数の和:48105

約数の個数: 16

約数和(自身を含む): 30593856384

約数和(自身を除く): 10403954798

約数列:

[1, 2, 103, 206, 2137, 4274, 45863, 91726, 220111, 440222, 4723889, 9447778, 98009231, 196018462, 10094950793, 20189901586]

約数ペア:

[(1, 20189901586), (2, 10094950793), (103, 196018462), (206, 98009231), (2137, 9447778), (4274, 4723889), (45863, 440222), (91726, 220111)]