20383184

素因数分解:

$2^4\times {\mathrm{257}}^1\times {\mathrm{4957}}^1$

素因数の和:5222

約数の個数: 20

約数和(自身を含む): 39654084

約数和(自身を除く): 19270900

約数列:

[1, 2, 4, 8, 16, 257, 514, 1028, 2056, 4112, 4957, 9914, 19828, 39656, 79312, 1273949, 2547898, 5095796, 10191592, 20383184]

約数ペア:

[(1, 20383184), (2, 10191592), (4, 5095796), (8, 2547898), (16, 1273949), (257, 79312), (514, 39656), (1028, 19828), (2056, 9914), (4112, 4957)]