20945683

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{1109}}^1$

素因数の和:1238

約数の個数: 16

約数和(自身を含む): 24455520

約数和(自身を除く): 3509837

約数列:

[1, 11, 17, 101, 187, 1109, 1111, 1717, 12199, 18853, 18887, 112009, 207383, 1232099, 1904153, 20945683]

約数ペア:

[(1, 20945683), (11, 1904153), (17, 1232099), (101, 207383), (187, 112009), (1109, 18887), (1111, 18853), (1717, 12199)]