20761893

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{499}}^1$

素因数の和:598

約数の個数: 32

約数和(自身を含む): 32640000

約数和(自身を除く): 11878107

約数列:

[1, 3, 9, 23, 27, 67, 69, 201, 207, 499, 603, 621, 1497, 1541, 1809, 4491, 4623, 11477, 13473, 13869, 33433, 34431, 41607, 100299, 103293, 300897, 309879, 768959, 902691, 2306877, 6920631, 20761893]

約数ペア:

[(1, 20761893), (3, 6920631), (9, 2306877), (23, 902691), (27, 768959), (67, 309879), (69, 300897), (201, 103293), (207, 100299), (499, 41607), (603, 34431), (621, 33433), (1497, 13869), (1541, 13473), (1809, 11477), (4491, 4623)]