20257490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{3019}}^1$

素因数の和:3098

約数の個数: 32

約数和(自身を含む): 40443840

約数和(自身を除く): 20186350

約数列:

[1, 2, 5, 10, 11, 22, 55, 61, 110, 122, 305, 610, 671, 1342, 3019, 3355, 6038, 6710, 15095, 30190, 33209, 66418, 166045, 184159, 332090, 368318, 920795, 1841590, 2025749, 4051498, 10128745, 20257490]

約数ペア:

[(1, 20257490), (2, 10128745), (5, 4051498), (10, 2025749), (11, 1841590), (22, 920795), (55, 368318), (61, 332090), (110, 184159), (122, 166045), (305, 66418), (610, 33209), (671, 30190), (1342, 15095), (3019, 6710), (3355, 6038)]