12720546

素因数分解:

$2^1\times 3^2\times {\mathrm{101}}^1\times {\mathrm{6997}}^1$

素因数の和:7106

約数の個数: 24

約数和(自身を含む): 27838044

約数和(自身を除く): 15117498

約数列:

[1, 2, 3, 6, 9, 18, 101, 202, 303, 606, 909, 1818, 6997, 13994, 20991, 41982, 62973, 125946, 706697, 1413394, 2120091, 4240182, 6360273, 12720546]

約数ペア:

[(1, 12720546), (2, 6360273), (3, 4240182), (6, 2120091), (9, 1413394), (18, 706697), (101, 125946), (202, 62973), (303, 41982), (606, 20991), (909, 13994), (1818, 6997)]