20199089495

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{177473}}^1$

素因数の和:177611

約数の個数: 32

約数和(自身を含む): 27907431552

約数和(自身を除く): 7708342057

約数列:

[1, 5, 13, 17, 65, 85, 103, 221, 515, 1105, 1339, 1751, 6695, 8755, 22763, 113815, 177473, 887365, 2307149, 3017041, 11535745, 15085205, 18279719, 39221533, 91398595, 196107665, 237636347, 310755223, 1188181735, 1553776115, 4039817899, 20199089495]

約数ペア:

[(1, 20199089495), (5, 4039817899), (13, 1553776115), (17, 1188181735), (65, 310755223), (85, 237636347), (103, 196107665), (221, 91398595), (515, 39221533), (1105, 18279719), (1339, 15085205), (1751, 11535745), (6695, 3017041), (8755, 2307149), (22763, 887365), (113815, 177473)]