20149495

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{2111}}^1$

素因数の和:2222

約数の個数: 16

約数和(自身を含む): 25546752

約数和(自身を除く): 5397257

約数列:

[1, 5, 23, 83, 115, 415, 1909, 2111, 9545, 10555, 48553, 175213, 242765, 876065, 4029899, 20149495]

約数ペア:

[(1, 20149495), (5, 4029899), (23, 876065), (83, 242765), (115, 175213), (415, 48553), (1909, 10555), (2111, 9545)]