20802735

素因数分解:

$3^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{4091}}^1$

素因数の和:4215

約数の個数: 24

約数和(自身を含む): 36386064

約数和(自身を除く): 15583329

約数列:

[1, 3, 5, 9, 15, 45, 113, 339, 565, 1017, 1695, 4091, 5085, 12273, 20455, 36819, 61365, 184095, 462283, 1386849, 2311415, 4160547, 6934245, 20802735]

約数ペア:

[(1, 20802735), (3, 6934245), (5, 4160547), (9, 2311415), (15, 1386849), (45, 462283), (113, 184095), (339, 61365), (565, 36819), (1017, 20455), (1695, 12273), (4091, 5085)]