20390430

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{679681}}^1$

素因数の和:679691

約数の個数: 16

約数和(自身を含む): 48937104

約数和(自身を除く): 28546674

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 679681, 1359362, 2039043, 3398405, 4078086, 6796810, 10195215, 20390430]

約数ペア:

[(1, 20390430), (2, 10195215), (3, 6796810), (5, 4078086), (6, 3398405), (10, 2039043), (15, 1359362), (30, 679681)]