20577916

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{4759}}^1$

素因数の和:4833

約数の個数: 24

約数和(自身を含む): 38384640

約数和(自身を除く): 17806724

約数列:

[1, 2, 4, 23, 46, 47, 92, 94, 188, 1081, 2162, 4324, 4759, 9518, 19036, 109457, 218914, 223673, 437828, 447346, 894692, 5144479, 10288958, 20577916]

約数ペア:

[(1, 20577916), (2, 10288958), (4, 5144479), (23, 894692), (46, 447346), (47, 437828), (92, 223673), (94, 218914), (188, 109457), (1081, 19036), (2162, 9518), (4324, 4759)]