20552972

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{11393}}^1$

素因数の和:11449

約数の個数: 24

約数和(自身を含む): 40198032

約数和(自身を除く): 19645060

約数列:

[1, 2, 4, 11, 22, 41, 44, 82, 164, 451, 902, 1804, 11393, 22786, 45572, 125323, 250646, 467113, 501292, 934226, 1868452, 5138243, 10276486, 20552972]

約数ペア:

[(1, 20552972), (2, 10276486), (4, 5138243), (11, 1868452), (22, 934226), (41, 501292), (44, 467113), (82, 250646), (164, 125323), (451, 45572), (902, 22786), (1804, 11393)]