20575340

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{44729}}^1$

素因数の和:44761

約数の個数: 24

約数和(自身を含む): 45087840

約数和(自身を除く): 24512500

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 44729, 89458, 178916, 223645, 447290, 894580, 1028767, 2057534, 4115068, 5143835, 10287670, 20575340]

約数ペア:

[(1, 20575340), (2, 10287670), (4, 5143835), (5, 4115068), (10, 2057534), (20, 1028767), (23, 894580), (46, 447290), (92, 223645), (115, 178916), (230, 89458), (460, 44729)]