19964085

素因数分解:

$3^1\times 5^1\times {\mathrm{739}}^1\times {\mathrm{1801}}^1$

素因数の和:2548

約数の個数: 16

約数和(自身を含む): 32003520

約数和(自身を除く): 12039435

約数列:

[1, 3, 5, 15, 739, 1801, 2217, 3695, 5403, 9005, 11085, 27015, 1330939, 3992817, 6654695, 19964085]

約数ペア:

[(1, 19964085), (3, 6654695), (5, 3992817), (15, 1330939), (739, 27015), (1801, 11085), (2217, 9005), (3695, 5403)]