20798427

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{17203}}^1$

素因数の和:17250

約数の個数: 16

約数和(自身を含む): 30829568

約数和(自身を除く): 10031141

約数列:

[1, 3, 13, 31, 39, 93, 403, 1209, 17203, 51609, 223639, 533293, 670917, 1599879, 6932809, 20798427]

約数ペア:

[(1, 20798427), (3, 6932809), (13, 1599879), (31, 670917), (39, 533293), (93, 223639), (403, 51609), (1209, 17203)]