20369309080

素因数分解:

$2^3\times 5^1\times {\mathrm{509232727}}^1$

素因数の和:509232738

約数の個数: 16

約数和(自身を含む): 45830945520

約数和(自身を除く): 25461636440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 509232727, 1018465454, 2036930908, 2546163635, 4073861816, 5092327270, 10184654540, 20369309080]

約数ペア:

[(1, 20369309080), (2, 10184654540), (4, 5092327270), (5, 4073861816), (8, 2546163635), (10, 2036930908), (20, 1018465454), (40, 509232727)]