20377329

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{51071}}^1$

素因数の和:51100

約数の個数: 16

約数和(自身を含む): 32686080

約数和(自身を除く): 12308751

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 51071, 153213, 357497, 970349, 1072491, 2911047, 6792443, 20377329]

約数ペア:

[(1, 20377329), (3, 6792443), (7, 2911047), (19, 1072491), (21, 970349), (57, 357497), (133, 153213), (399, 51071)]