20165979215

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{2112727}}^1$

素因数の和:2112838

約数の個数: 16

約数和(自身を含む): 25555557888

約数和(自身を除く): 5389578673

約数列:

[1, 5, 23, 83, 115, 415, 1909, 9545, 2112727, 10563635, 48592721, 175356341, 242963605, 876781705, 4033195843, 20165979215]

約数ペア:

[(1, 20165979215), (5, 4033195843), (23, 876781705), (83, 242963605), (115, 175356341), (415, 48592721), (1909, 10563635), (9545, 2112727)]