20184484340

素因数分解:

$2^2\times 5^1\times {\mathrm{997}}^1\times {\mathrm{1012261}}^1$

素因数の和:1013267

約数の個数: 24

約数和(自身を含む): 42429973992

約数和(自身を除く): 22245489652

約数列:

[1, 2, 4, 5, 10, 20, 997, 1994, 3988, 4985, 9970, 19940, 1012261, 2024522, 4049044, 5061305, 10122610, 20245220, 1009224217, 2018448434, 4036896868, 5046121085, 10092242170, 20184484340]

約数ペア:

[(1, 20184484340), (2, 10092242170), (4, 5046121085), (5, 4036896868), (10, 2018448434), (20, 1009224217), (997, 20245220), (1994, 10122610), (3988, 5061305), (4985, 4049044), (9970, 2024522), (19940, 1012261)]