20100996

素因数分解:

$2^2\times 3^2\times {\mathrm{647}}^1\times {\mathrm{863}}^1$

素因数の和:1520

約数の個数: 36

約数和(自身を含む): 50948352

約数和(自身を除く): 30847356

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 647, 863, 1294, 1726, 1941, 2588, 2589, 3452, 3882, 5178, 5823, 7764, 7767, 10356, 11646, 15534, 23292, 31068, 558361, 1116722, 1675083, 2233444, 3350166, 5025249, 6700332, 10050498, 20100996]

約数ペア:

[(1, 20100996), (2, 10050498), (3, 6700332), (4, 5025249), (6, 3350166), (9, 2233444), (12, 1675083), (18, 1116722), (36, 558361), (647, 31068), (863, 23292), (1294, 15534), (1726, 11646), (1941, 10356), (2588, 7767), (2589, 7764), (3452, 5823), (3882, 5178)]