20117109

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{1087}}^1$

素因数の和:1320

約数の個数: 16

約数和(自身を含む): 27852800

約数和(自身を除く): 7735691

約数列:

[1, 3, 31, 93, 199, 597, 1087, 3261, 6169, 18507, 33697, 101091, 216313, 648939, 6705703, 20117109]

約数ペア:

[(1, 20117109), (3, 6705703), (31, 648939), (93, 216313), (199, 101091), (597, 33697), (1087, 18507), (3261, 6169)]