20149665055

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2657}}^1\times {\mathrm{6863}}^1$

素因数の和:9555

約数の個数: 32

約数和(自身を含む): 27585702144

約数和(自身を除く): 7436037089

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 2657, 6863, 13285, 34315, 34541, 45169, 89219, 116671, 172705, 225845, 446095, 583355, 587197, 1516723, 2935985, 7583615, 18234991, 91174955, 237054883, 309994847, 1185274415, 1549974235, 4029933011, 20149665055]

約数ペア:

[(1, 20149665055), (5, 4029933011), (13, 1549974235), (17, 1185274415), (65, 309994847), (85, 237054883), (221, 91174955), (1105, 18234991), (2657, 7583615), (6863, 2935985), (13285, 1516723), (34315, 587197), (34541, 583355), (45169, 446095), (89219, 225845), (116671, 172705)]