20458904

素因数分解:

$2^3\times {\mathrm{709}}^1\times {\mathrm{3607}}^1$

素因数の和:4322

約数の個数: 16

約数和(自身を含む): 38425200

約数和(自身を除く): 17966296

約数列:

[1, 2, 4, 8, 709, 1418, 2836, 3607, 5672, 7214, 14428, 28856, 2557363, 5114726, 10229452, 20458904]

約数ペア:

[(1, 20458904), (2, 10229452), (4, 5114726), (8, 2557363), (709, 28856), (1418, 14428), (2836, 7214), (3607, 5672)]