20893550

素因数分解:

$2^1\times 5^2\times {\mathrm{103}}^1\times {\mathrm{4057}}^1$

素因数の和:4172

約数の個数: 24

約数和(自身を含む): 39248976

約数和(自身を除く): 18355426

約数列:

[1, 2, 5, 10, 25, 50, 103, 206, 515, 1030, 2575, 4057, 5150, 8114, 20285, 40570, 101425, 202850, 417871, 835742, 2089355, 4178710, 10446775, 20893550]

約数ペア:

[(1, 20893550), (2, 10446775), (5, 4178710), (10, 2089355), (25, 835742), (50, 417871), (103, 202850), (206, 101425), (515, 40570), (1030, 20285), (2575, 8114), (4057, 5150)]