20642644

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{7691}}^1$

素因数の和:7767

約数の個数: 24

約数和(自身を含む): 40059936

約数和(自身を除く): 19417292

約数列:

[1, 2, 4, 11, 22, 44, 61, 122, 244, 671, 1342, 2684, 7691, 15382, 30764, 84601, 169202, 338404, 469151, 938302, 1876604, 5160661, 10321322, 20642644]

約数ペア:

[(1, 20642644), (2, 10321322), (4, 5160661), (11, 1876604), (22, 938302), (44, 469151), (61, 338404), (122, 169202), (244, 84601), (671, 30764), (1342, 15382), (2684, 7691)]