20184460

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53117}}^1$

素因数の和:53145

約数の個数: 24

約数和(自身を含む): 44619120

約数和(自身を除く): 24434660

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 53117, 106234, 212468, 265585, 531170, 1009223, 1062340, 2018446, 4036892, 5046115, 10092230, 20184460]

約数ペア:

[(1, 20184460), (2, 10092230), (4, 5046115), (5, 4036892), (10, 2018446), (19, 1062340), (20, 1009223), (38, 531170), (76, 265585), (95, 212468), (190, 106234), (380, 53117)]