12321220

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{14327}}^1$

素因数の和:14379

約数の個数: 24

約数和(自身を含む): 26478144

約数和(自身を除く): 14156924

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 14327, 28654, 57308, 71635, 143270, 286540, 616061, 1232122, 2464244, 3080305, 6160610, 12321220]

約数ペア:

[(1, 12321220), (2, 6160610), (4, 3080305), (5, 2464244), (10, 1232122), (20, 616061), (43, 286540), (86, 143270), (172, 71635), (215, 57308), (430, 28654), (860, 14327)]