20138248

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{8419}}^1$

素因数の和:8461

約数の個数: 32

約数和(自身を含む): 42436800

約数和(自身を除く): 22298552

約数列:

[1, 2, 4, 8, 13, 23, 26, 46, 52, 92, 104, 184, 299, 598, 1196, 2392, 8419, 16838, 33676, 67352, 109447, 193637, 218894, 387274, 437788, 774548, 875576, 1549096, 2517281, 5034562, 10069124, 20138248]

約数ペア:

[(1, 20138248), (2, 10069124), (4, 5034562), (8, 2517281), (13, 1549096), (23, 875576), (26, 774548), (46, 437788), (52, 387274), (92, 218894), (104, 193637), (184, 109447), (299, 67352), (598, 33676), (1196, 16838), (2392, 8419)]