20514669

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{13759}}^1$

素因数の和:13840

約数の個数: 16

約数和(自身を含む): 31703040

約数和(自身を除く): 11188371

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 13759, 41277, 96313, 288939, 976889, 2930667, 6838223, 20514669]

約数ペア:

[(1, 20514669), (3, 6838223), (7, 2930667), (21, 976889), (71, 288939), (213, 96313), (497, 41277), (1491, 13759)]