20205538

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{239}}^1\times {\mathrm{1031}}^1$

素因数の和:1313

約数の個数: 16

約数和(自身を含む): 31207680

約数和(自身を除く): 11002142

約数列:

[1, 2, 41, 82, 239, 478, 1031, 2062, 9799, 19598, 42271, 84542, 246409, 492818, 10102769, 20205538]

約数ペア:

[(1, 20205538), (2, 10102769), (41, 492818), (82, 246409), (239, 84542), (478, 42271), (1031, 19598), (2062, 9799)]