20761695

素因数分解:

$3^2\times 5^1\times {\mathrm{353}}^1\times {\mathrm{1307}}^1$

素因数の和:1671

約数の個数: 24

約数和(自身を含む): 36116496

約数和(自身を除く): 15354801

約数列:

[1, 3, 5, 9, 15, 45, 353, 1059, 1307, 1765, 3177, 3921, 5295, 6535, 11763, 15885, 19605, 58815, 461371, 1384113, 2306855, 4152339, 6920565, 20761695]

約数ペア:

[(1, 20761695), (3, 6920565), (5, 4152339), (9, 2306855), (15, 1384113), (45, 461371), (353, 58815), (1059, 19605), (1307, 15885), (1765, 11763), (3177, 6535), (3921, 5295)]