20500564

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{25247}}^1$

素因数の和:25287

約数の個数: 24

約数和(自身を含む): 42416640

約数和(自身を除く): 21916076

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 203, 406, 812, 25247, 50494, 100988, 176729, 353458, 706916, 732163, 1464326, 2928652, 5125141, 10250282, 20500564]

約数ペア:

[(1, 20500564), (2, 10250282), (4, 5125141), (7, 2928652), (14, 1464326), (28, 732163), (29, 706916), (58, 353458), (116, 176729), (203, 100988), (406, 50494), (812, 25247)]