12135220

素因数分解:

$2^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{1951}}^1$

素因数の和:2271

約数の個数: 24

約数和(自身を含む): 25579008

約数和(自身を除く): 13443788

約数列:

[1, 2, 4, 5, 10, 20, 311, 622, 1244, 1555, 1951, 3110, 3902, 6220, 7804, 9755, 19510, 39020, 606761, 1213522, 2427044, 3033805, 6067610, 12135220]

約数ペア:

[(1, 12135220), (2, 6067610), (4, 3033805), (5, 2427044), (10, 1213522), (20, 606761), (311, 39020), (622, 19510), (1244, 9755), (1555, 7804), (1951, 6220), (3110, 3902)]