20663959

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1289}}^1$

素因数の和:1370

約数の個数: 16

約数和(自身を含む): 23405760

約数和(自身を除く): 2741801

約数列:

[1, 17, 23, 41, 391, 697, 943, 1289, 16031, 21913, 29647, 52849, 503999, 898433, 1215527, 20663959]

約数ペア:

[(1, 20663959), (17, 1215527), (23, 898433), (41, 503999), (391, 52849), (697, 29647), (943, 21913), (1289, 16031)]