20215204

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{229}}^1\times {\mathrm{761}}^1$

素因数の和:1023

約数の個数: 24

約数和(自身を含む): 36804600

約数和(自身を除く): 16589396

約数列:

[1, 2, 4, 29, 58, 116, 229, 458, 761, 916, 1522, 3044, 6641, 13282, 22069, 26564, 44138, 88276, 174269, 348538, 697076, 5053801, 10107602, 20215204]

約数ペア:

[(1, 20215204), (2, 10107602), (4, 5053801), (29, 697076), (58, 348538), (116, 174269), (229, 88276), (458, 44138), (761, 26564), (916, 22069), (1522, 13282), (3044, 6641)]