20139815

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{5779}}^1$

素因数の和:5842

約数の個数: 16

約数和(自身を含む): 26218080

約数和(自身を除く): 6078265

約数列:

[1, 5, 17, 41, 85, 205, 697, 3485, 5779, 28895, 98243, 236939, 491215, 1184695, 4027963, 20139815]

約数ペア:

[(1, 20139815), (5, 4027963), (17, 1184695), (41, 491215), (85, 236939), (205, 98243), (697, 28895), (3485, 5779)]