20216546578

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1\times {\mathrm{52957}}^1$

素因数の和:53218

約数の個数: 32

約数和(自身を含む): 32547563136

約数和(自身を除く): 12331016558

約数列:

[1, 2, 23, 43, 46, 86, 193, 386, 989, 1978, 4439, 8299, 8878, 16598, 52957, 105914, 190877, 381754, 1218011, 2277151, 2436022, 4554302, 10220701, 20441402, 52374473, 104748946, 235076123, 439490143, 470152246, 878980286, 10108273289, 20216546578]

約数ペア:

[(1, 20216546578), (2, 10108273289), (23, 878980286), (43, 470152246), (46, 439490143), (86, 235076123), (193, 104748946), (386, 52374473), (989, 20441402), (1978, 10220701), (4439, 4554302), (8299, 2436022), (8878, 2277151), (16598, 1218011), (52957, 381754), (105914, 190877)]