20923719

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{4943}}^1$

素因数の和:5046

約数の個数: 16

約数和(自身を含む): 29901312

約数和(自身を除く): 8977593

約数列:

[1, 3, 17, 51, 83, 249, 1411, 4233, 4943, 14829, 84031, 252093, 410269, 1230807, 6974573, 20923719]

約数ペア:

[(1, 20923719), (3, 6974573), (17, 1230807), (51, 410269), (83, 252093), (249, 84031), (1411, 14829), (4233, 4943)]