20749443

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{4397}}^1$

素因数の和:4435

約数の個数: 24

約数和(自身を含む): 32756304

約数和(自身を除く): 12006861

約数列:

[1, 3, 11, 13, 33, 39, 121, 143, 363, 429, 1573, 4397, 4719, 13191, 48367, 57161, 145101, 171483, 532037, 628771, 1596111, 1886313, 6916481, 20749443]

約数ペア:

[(1, 20749443), (3, 6916481), (11, 1886313), (13, 1596111), (33, 628771), (39, 532037), (121, 171483), (143, 145101), (363, 57161), (429, 48367), (1573, 13191), (4397, 4719)]