20119965

素因数分解:

$3^1\times 5^1\times {\mathrm{1031}}^1\times {\mathrm{1301}}^1$

素因数の和:2340

約数の個数: 16

約数和(自身を含む): 32247936

約数和(自身を除く): 12127971

約数列:

[1, 3, 5, 15, 1031, 1301, 3093, 3903, 5155, 6505, 15465, 19515, 1341331, 4023993, 6706655, 20119965]

約数ペア:

[(1, 20119965), (3, 6706655), (5, 4023993), (15, 1341331), (1031, 19515), (1301, 15465), (3093, 6505), (3903, 5155)]