20666085

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{499}}^1$

素因数の和:769

約数の個数: 32

約数和(自身を含む): 36288000

約数和(自身を除く): 15621915

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 251, 499, 753, 1255, 1497, 2495, 2761, 3765, 5489, 7485, 8283, 13805, 16467, 27445, 41415, 82335, 125249, 375747, 626245, 1377739, 1878735, 4133217, 6888695, 20666085]

約数ペア:

[(1, 20666085), (3, 6888695), (5, 4133217), (11, 1878735), (15, 1377739), (33, 626245), (55, 375747), (165, 125249), (251, 82335), (499, 41415), (753, 27445), (1255, 16467), (1497, 13805), (2495, 8283), (2761, 7485), (3765, 5489)]