20041395

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{5281}}^1$

素因数の和:5323

約数の個数: 32

約数和(自身を含む): 36509184

約数和(自身を除く): 16467789

約数列:

[1, 3, 5, 11, 15, 23, 33, 55, 69, 115, 165, 253, 345, 759, 1265, 3795, 5281, 15843, 26405, 58091, 79215, 121463, 174273, 290455, 364389, 607315, 871365, 1336093, 1821945, 4008279, 6680465, 20041395]

約数ペア:

[(1, 20041395), (3, 6680465), (5, 4008279), (11, 1821945), (15, 1336093), (23, 871365), (33, 607315), (55, 364389), (69, 290455), (115, 174273), (165, 121463), (253, 79215), (345, 58091), (759, 26405), (1265, 15843), (3795, 5281)]