20673309

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{457}}^1\times {\mathrm{887}}^1$

素因数の和:1364

約数の個数: 16

約数和(自身を含む): 29282688

約数和(自身を除く): 8609379

約数列:

[1, 3, 17, 51, 457, 887, 1371, 2661, 7769, 15079, 23307, 45237, 405359, 1216077, 6891103, 20673309]

約数ペア:

[(1, 20673309), (3, 6891103), (17, 1216077), (51, 405359), (457, 45237), (887, 23307), (1371, 15079), (2661, 7769)]