12090980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{54959}}^1$

素因数の和:54979

約数の個数: 24

約数和(自身を含む): 27699840

約数和(自身を除く): 15608860

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 54959, 109918, 219836, 274795, 549590, 604549, 1099180, 1209098, 2418196, 3022745, 6045490, 12090980]

約数ペア:

[(1, 12090980), (2, 6045490), (4, 3022745), (5, 2418196), (10, 1209098), (11, 1099180), (20, 604549), (22, 549590), (44, 274795), (55, 219836), (110, 109918), (220, 54959)]