20413220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53719}}^1$

素因数の和:53747

約数の個数: 24

約数和(自身を含む): 45124800

約数和(自身を除く): 24711580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 53719, 107438, 214876, 268595, 537190, 1020661, 1074380, 2041322, 4082644, 5103305, 10206610, 20413220]

約数ペア:

[(1, 20413220), (2, 10206610), (4, 5103305), (5, 4082644), (10, 2041322), (19, 1074380), (20, 1020661), (38, 537190), (76, 268595), (95, 214876), (190, 107438), (380, 53719)]