20935993

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1553}}^1$

素因数の和:1644

約数の個数: 16

約数和(自身を含む): 24279696

約数和(自身を除く): 3343703

約数列:

[1, 13, 17, 61, 221, 793, 1037, 1553, 13481, 20189, 26401, 94733, 343213, 1231529, 1610461, 20935993]

約数ペア:

[(1, 20935993), (13, 1610461), (17, 1231529), (61, 343213), (221, 94733), (793, 26401), (1037, 20189), (1553, 13481)]