20663514

素因数分解:

$2^1\times 3^2\times {\mathrm{83}}^1\times {\mathrm{13831}}^1$

素因数の和:13922

約数の個数: 24

約数和(自身を含む): 45313632

約数和(自身を除く): 24650118

約数列:

[1, 2, 3, 6, 9, 18, 83, 166, 249, 498, 747, 1494, 13831, 27662, 41493, 82986, 124479, 248958, 1147973, 2295946, 3443919, 6887838, 10331757, 20663514]

約数ペア:

[(1, 20663514), (2, 10331757), (3, 6887838), (6, 3443919), (9, 2295946), (18, 1147973), (83, 248958), (166, 124479), (249, 82986), (498, 41493), (747, 27662), (1494, 13831)]