20098195

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{1283}}^1$

素因数の和:1542

約数の個数: 16

約数和(自身を含む): 26101152

約数和(自身を除く): 6002957

約数列:

[1, 5, 13, 65, 241, 1205, 1283, 3133, 6415, 15665, 16679, 83395, 309203, 1546015, 4019639, 20098195]

約数ペア:

[(1, 20098195), (5, 4019639), (13, 1546015), (65, 309203), (241, 83395), (1205, 16679), (1283, 15665), (3133, 6415)]