20840646

素因数分解:

$2^1\times 3^1\times {\mathrm{47}}^1\times {\mathrm{263}}^1\times {\mathrm{281}}^1$

素因数の和:596

約数の個数: 32

約数和(自身を含む): 42882048

約数和(自身を除く): 22041402

約数列:

[1, 2, 3, 6, 47, 94, 141, 263, 281, 282, 526, 562, 789, 843, 1578, 1686, 12361, 13207, 24722, 26414, 37083, 39621, 73903, 74166, 79242, 147806, 221709, 443418, 3473441, 6946882, 10420323, 20840646]

約数ペア:

[(1, 20840646), (2, 10420323), (3, 6946882), (6, 3473441), (47, 443418), (94, 221709), (141, 147806), (263, 79242), (281, 74166), (282, 73903), (526, 39621), (562, 37083), (789, 26414), (843, 24722), (1578, 13207), (1686, 12361)]