20868195

素因数分解:

$3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{9337}}^1$

素因数の和:9494

約数の個数: 16

約数和(自身を含む): 33616800

約数和(自身を除く): 12748605

約数列:

[1, 3, 5, 15, 149, 447, 745, 2235, 9337, 28011, 46685, 140055, 1391213, 4173639, 6956065, 20868195]

約数ペア:

[(1, 20868195), (3, 6956065), (5, 4173639), (15, 1391213), (149, 140055), (447, 46685), (745, 28011), (2235, 9337)]