20780902

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{16519}}^1$

素因数の和:16575

約数の個数: 16

約数和(自身を含む): 33899040

約数和(自身を除く): 13118138

約数列:

[1, 2, 17, 34, 37, 74, 629, 1258, 16519, 33038, 280823, 561646, 611203, 1222406, 10390451, 20780902]

約数ペア:

[(1, 20780902), (2, 10390451), (17, 1222406), (34, 611203), (37, 561646), (74, 280823), (629, 33038), (1258, 16519)]