20743443

素因数分解:

$3^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{3967}}^1$

素因数の和:4063

約数の個数: 24

約数和(自身を含む): 34664448

約数和(自身を除く): 13921005

約数列:

[1, 3, 7, 9, 21, 63, 83, 249, 581, 747, 1743, 3967, 5229, 11901, 27769, 35703, 83307, 249921, 329261, 987783, 2304827, 2963349, 6914481, 20743443]

約数ペア:

[(1, 20743443), (3, 6914481), (7, 2963349), (9, 2304827), (21, 987783), (63, 329261), (83, 249921), (249, 83307), (581, 35703), (747, 27769), (1743, 11901), (3967, 5229)]