20892950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{32143}}^1$

素因数の和:32168

約数の個数: 24

約数和(自身を含む): 41851488

約数和(自身を除く): 20958538

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 32143, 64286, 160715, 321430, 417859, 803575, 835718, 1607150, 2089295, 4178590, 10446475, 20892950]

約数ペア:

[(1, 20892950), (2, 10446475), (5, 4178590), (10, 2089295), (13, 1607150), (25, 835718), (26, 803575), (50, 417859), (65, 321430), (130, 160715), (325, 64286), (650, 32143)]