20081608

素因数分解:

$2^3\times {\mathrm{139}}^1\times {\mathrm{18059}}^1$

素因数の和:18204

約数の個数: 16

約数和(自身を含む): 37926000

約数和(自身を除く): 17844392

約数列:

[1, 2, 4, 8, 139, 278, 556, 1112, 18059, 36118, 72236, 144472, 2510201, 5020402, 10040804, 20081608]

約数ペア:

[(1, 20081608), (2, 10040804), (4, 5020402), (8, 2510201), (139, 144472), (278, 72236), (556, 36118), (1112, 18059)]