20458394

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{4673}}^1$

素因数の和:4885

約数の個数: 16

約数和(自身を含む): 33652800

約数和(自身を除く): 13194406

約数列:

[1, 2, 11, 22, 199, 398, 2189, 4378, 4673, 9346, 51403, 102806, 929927, 1859854, 10229197, 20458394]

約数ペア:

[(1, 20458394), (2, 10229197), (11, 1859854), (22, 929927), (199, 102806), (398, 51403), (2189, 9346), (4378, 4673)]