20665293

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1433}}^1$

素因数の和:1489

約数の個数: 32

約数和(自身を含む): 33039360

約数和(自身を除く): 12374067

約数列:

[1, 3, 11, 19, 23, 33, 57, 69, 209, 253, 437, 627, 759, 1311, 1433, 4299, 4807, 14421, 15763, 27227, 32959, 47289, 81681, 98877, 299497, 362549, 626221, 898491, 1087647, 1878663, 6888431, 20665293]

約数ペア:

[(1, 20665293), (3, 6888431), (11, 1878663), (19, 1087647), (23, 898491), (33, 626221), (57, 362549), (69, 299497), (209, 98877), (253, 81681), (437, 47289), (627, 32959), (759, 27227), (1311, 15763), (1433, 14421), (4299, 4807)]