20319764

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{5387}}^1$

素因数の和:5455

約数の個数: 24

約数和(自身を含む): 38017728

約数和(自身を除く): 17697964

約数列:

[1, 2, 4, 23, 41, 46, 82, 92, 164, 943, 1886, 3772, 5387, 10774, 21548, 123901, 220867, 247802, 441734, 495604, 883468, 5079941, 10159882, 20319764]

約数ペア:

[(1, 20319764), (2, 10159882), (4, 5079941), (23, 883468), (41, 495604), (46, 441734), (82, 247802), (92, 220867), (164, 123901), (943, 21548), (1886, 10774), (3772, 5387)]