20421713

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2851}}^1$

素因数の和:2912

約数の個数: 16

約数和(自身を含む): 23956800

約数和(自身を除く): 3535087

約数列:

[1, 13, 19, 29, 247, 377, 551, 2851, 7163, 37063, 54169, 82679, 704197, 1074827, 1570901, 20421713]

約数ペア:

[(1, 20421713), (13, 1570901), (19, 1074827), (29, 704197), (247, 82679), (377, 54169), (551, 37063), (2851, 7163)]