20139923984

素因数分解:

$2^4\times {\mathrm{1901}}^1\times {\mathrm{662149}}^1$

素因数の和:664058

約数の個数: 20

約数和(自身を含む): 39041688300

約数和(自身を除く): 18901764316

約数列:

[1, 2, 4, 8, 16, 1901, 3802, 7604, 15208, 30416, 662149, 1324298, 2648596, 5297192, 10594384, 1258745249, 2517490498, 5034980996, 10069961992, 20139923984]

約数ペア:

[(1, 20139923984), (2, 10069961992), (4, 5034980996), (8, 2517490498), (16, 1258745249), (1901, 10594384), (3802, 5297192), (7604, 2648596), (15208, 1324298), (30416, 662149)]