20117445

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{449}}^1$

素因数の和:589

約数の個数: 32

約数和(自身を含む): 33696000

約数和(自身を除く): 13578555

約数列:

[1, 3, 5, 15, 29, 87, 103, 145, 309, 435, 449, 515, 1347, 1545, 2245, 2987, 6735, 8961, 13021, 14935, 39063, 44805, 46247, 65105, 138741, 195315, 231235, 693705, 1341163, 4023489, 6705815, 20117445]

約数ペア:

[(1, 20117445), (3, 6705815), (5, 4023489), (15, 1341163), (29, 693705), (87, 231235), (103, 195315), (145, 138741), (309, 65105), (435, 46247), (449, 44805), (515, 39063), (1347, 14935), (1545, 13021), (2245, 8961), (2987, 6735)]