20605334608

素因数分解:

$2^4\times {\mathrm{3203}}^1\times {\mathrm{402071}}^1$

素因数の和:405282

約数の個数: 20

約数和(自身を含む): 39935399328

約数和(自身を除く): 19330064720

約数列:

[1, 2, 4, 8, 16, 3203, 6406, 12812, 25624, 51248, 402071, 804142, 1608284, 3216568, 6433136, 1287833413, 2575666826, 5151333652, 10302667304, 20605334608]

約数ペア:

[(1, 20605334608), (2, 10302667304), (4, 5151333652), (8, 2575666826), (16, 1287833413), (3203, 6433136), (6406, 3216568), (12812, 1608284), (25624, 804142), (51248, 402071)]