11202020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{719}}^1$

素因数の和:788

約数の個数: 48

約数和(自身を含む): 25401600

約数和(自身を除く): 14199580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 76, 82, 95, 164, 190, 205, 380, 410, 719, 779, 820, 1438, 1558, 2876, 3116, 3595, 3895, 7190, 7790, 13661, 14380, 15580, 27322, 29479, 54644, 58958, 68305, 117916, 136610, 147395, 273220, 294790, 560101, 589580, 1120202, 2240404, 2800505, 5601010, 11202020]

約数ペア:

[(1, 11202020), (2, 5601010), (4, 2800505), (5, 2240404), (10, 1120202), (19, 589580), (20, 560101), (38, 294790), (41, 273220), (76, 147395), (82, 136610), (95, 117916), (164, 68305), (190, 58958), (205, 54644), (380, 29479), (410, 27322), (719, 15580), (779, 14380), (820, 13661), (1438, 7790), (1558, 7190), (2876, 3895), (3116, 3595)]