20880008

素因数分解:

$2^3\times {\mathrm{271}}^1\times {\mathrm{9631}}^1$

素因数の和:9908

約数の個数: 16

約数和(自身を含む): 39298560

約数和(自身を除く): 18418552

約数列:

[1, 2, 4, 8, 271, 542, 1084, 2168, 9631, 19262, 38524, 77048, 2610001, 5220002, 10440004, 20880008]

約数ペア:

[(1, 20880008), (2, 10440004), (4, 5220002), (8, 2610001), (271, 77048), (542, 38524), (1084, 19262), (2168, 9631)]