20853789

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{15413}}^1$

素因数の和:15468

約数の個数: 16

約数和(自身を含む): 31074624

約数和(自身を除く): 10220835

約数列:

[1, 3, 11, 33, 41, 123, 451, 1353, 15413, 46239, 169543, 508629, 631933, 1895799, 6951263, 20853789]

約数ペア:

[(1, 20853789), (3, 6951263), (11, 1895799), (33, 631933), (41, 508629), (123, 169543), (451, 46239), (1353, 15413)]