20784693

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{3209}}^1$

素因数の和:3356

約数の個数: 16

約数和(自身を含む): 29583360

約数和(自身を除く): 8798667

約数列:

[1, 3, 17, 51, 127, 381, 2159, 3209, 6477, 9627, 54553, 163659, 407543, 1222629, 6928231, 20784693]

約数ペア:

[(1, 20784693), (3, 6928231), (17, 1222629), (51, 407543), (127, 163659), (381, 54553), (2159, 9627), (3209, 6477)]