20420430

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{680681}}^1$

素因数の和:680691

約数の個数: 16

約数和(自身を含む): 49009104

約数和(自身を除く): 28588674

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 680681, 1361362, 2042043, 3403405, 4084086, 6806810, 10210215, 20420430]

約数ペア:

[(1, 20420430), (2, 10210215), (3, 6806810), (5, 4084086), (6, 3403405), (10, 2042043), (15, 1361362), (30, 680681)]