20218463770

素因数分解:

$2^1\times 5^1\times {\mathrm{1427}}^1\times {\mathrm{1416851}}^1$

素因数の和:1418285

約数の個数: 16

約数和(自身を含む): 36418763808

約数和(自身を除く): 16200300038

約数列:

[1, 2, 5, 10, 1427, 2854, 7135, 14270, 1416851, 2833702, 7084255, 14168510, 2021846377, 4043692754, 10109231885, 20218463770]

約数ペア:

[(1, 20218463770), (2, 10109231885), (5, 4043692754), (10, 2021846377), (1427, 14168510), (2854, 7084255), (7135, 2833702), (14270, 1416851)]