20343490

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{107071}}^1$

素因数の和:107097

約数の個数: 16

約数和(自身を含む): 38545920

約数和(自身を除く): 18202430

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 107071, 214142, 535355, 1070710, 2034349, 4068698, 10171745, 20343490]

約数ペア:

[(1, 20343490), (2, 10171745), (5, 4068698), (10, 2034349), (19, 1070710), (38, 535355), (95, 214142), (190, 107071)]