20953108

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{2393}}^1$

素因数の和:2607

約数の個数: 24

約数和(自身を含む): 40219200

約数和(自身を除く): 19266092

約数列:

[1, 2, 4, 11, 22, 44, 199, 398, 796, 2189, 2393, 4378, 4786, 8756, 9572, 26323, 52646, 105292, 476207, 952414, 1904828, 5238277, 10476554, 20953108]

約数ペア:

[(1, 20953108), (2, 10476554), (4, 5238277), (11, 1904828), (22, 952414), (44, 476207), (199, 105292), (398, 52646), (796, 26323), (2189, 9572), (2393, 8756), (4378, 4786)]