20674852

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{7703}}^1$

素因数の和:7779

約数の個数: 24

約数和(自身を含む): 40122432

約数和(自身を除く): 19447580

約数列:

[1, 2, 4, 11, 22, 44, 61, 122, 244, 671, 1342, 2684, 7703, 15406, 30812, 84733, 169466, 338932, 469883, 939766, 1879532, 5168713, 10337426, 20674852]

約数ペア:

[(1, 20674852), (2, 10337426), (4, 5168713), (11, 1879532), (22, 939766), (44, 469883), (61, 338932), (122, 169466), (244, 84733), (671, 30812), (1342, 15406), (2684, 7703)]