20908679

素因数分解:

${\mathrm{11}}^3\times {\mathrm{23}}^1\times {\mathrm{683}}^1$

素因数の和:739

約数の個数: 16

約数和(自身を含む): 24033024

約数和(自身を除く): 3124345

約数列:

[1, 11, 23, 121, 253, 683, 1331, 2783, 7513, 15709, 30613, 82643, 172799, 909073, 1900789, 20908679]

約数ペア:

[(1, 20908679), (11, 1900789), (23, 909073), (121, 172799), (253, 82643), (683, 30613), (1331, 15709), (2783, 7513)]