20484815

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{3797}}^1$

素因数の和:3898

約数の個数: 16

約数和(自身を含む): 26798688

約数和(自身を除く): 6313873

約数列:

[1, 5, 13, 65, 83, 415, 1079, 3797, 5395, 18985, 49361, 246805, 315151, 1575755, 4096963, 20484815]

約数ペア:

[(1, 20484815), (5, 4096963), (13, 1575755), (65, 315151), (83, 246805), (415, 49361), (1079, 18985), (3797, 5395)]