20796963

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{809}}^1$

素因数の和:883

約数の個数: 32

約数和(自身を含む): 32659200

約数和(自身を除く): 11862237

約数列:

[1, 3, 11, 19, 33, 41, 57, 123, 209, 451, 627, 779, 809, 1353, 2337, 2427, 8569, 8899, 15371, 25707, 26697, 33169, 46113, 99507, 169081, 364859, 507243, 630211, 1094577, 1890633, 6932321, 20796963]

約数ペア:

[(1, 20796963), (3, 6932321), (11, 1890633), (19, 1094577), (33, 630211), (41, 507243), (57, 364859), (123, 169081), (209, 99507), (451, 46113), (627, 33169), (779, 26697), (809, 25707), (1353, 15371), (2337, 8899), (2427, 8569)]