20476790

素因数分解:

$2^1\times 5^1\times {\mathrm{1279}}^1\times {\mathrm{1601}}^1$

素因数の和:2887

約数の個数: 16

約数和(自身を含む): 36910080

約数和(自身を除く): 16433290

約数列:

[1, 2, 5, 10, 1279, 1601, 2558, 3202, 6395, 8005, 12790, 16010, 2047679, 4095358, 10238395, 20476790]

約数ペア:

[(1, 20476790), (2, 10238395), (5, 4095358), (10, 2047679), (1279, 16010), (1601, 12790), (2558, 8005), (3202, 6395)]