20649616

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{99277}}^1$

素因数の和:99298

約数の個数: 20

約数和(自身を含む): 43086652

約数和(自身を除く): 22437036

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 99277, 198554, 397108, 794216, 1290601, 1588432, 2581202, 5162404, 10324808, 20649616]

約数ペア:

[(1, 20649616), (2, 10324808), (4, 5162404), (8, 2581202), (13, 1588432), (16, 1290601), (26, 794216), (52, 397108), (104, 198554), (208, 99277)]