20769080

素因数分解:

$2^3\times 5^1\times {\mathrm{519227}}^1$

素因数の和:519238

約数の個数: 16

約数和(自身を含む): 46730520

約数和(自身を除く): 25961440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 519227, 1038454, 2076908, 2596135, 4153816, 5192270, 10384540, 20769080]

約数ペア:

[(1, 20769080), (2, 10384540), (4, 5192270), (5, 4153816), (8, 2596135), (10, 2076908), (20, 1038454), (40, 519227)]