20108836

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{8623}}^1$

素因数の和:8691

約数の個数: 24

約数和(自身を含む): 39118464

約数和(自身を除く): 19009628

約数列:

[1, 2, 4, 11, 22, 44, 53, 106, 212, 583, 1166, 2332, 8623, 17246, 34492, 94853, 189706, 379412, 457019, 914038, 1828076, 5027209, 10054418, 20108836]

約数ペア:

[(1, 20108836), (2, 10054418), (4, 5027209), (11, 1828076), (22, 914038), (44, 457019), (53, 379412), (106, 189706), (212, 94853), (583, 34492), (1166, 17246), (2332, 8623)]