2020120263

素因数分解:

$3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{248569}}^1$

素因数の和:248628

約数の個数: 32

約数和(自身を含む): 3499865600

約数和(自身を除く): 1479745337

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 129, 189, 301, 387, 903, 1161, 2709, 8127, 248569, 745707, 1739983, 2237121, 5219949, 6711363, 10688467, 15659847, 32065401, 46979541, 74819269, 96196203, 224457807, 288588609, 673373421, 2020120263]

約数ペア:

[(1, 2020120263), (3, 673373421), (7, 288588609), (9, 224457807), (21, 96196203), (27, 74819269), (43, 46979541), (63, 32065401), (129, 15659847), (189, 10688467), (301, 6711363), (387, 5219949), (903, 2237121), (1161, 1739983), (2709, 745707), (8127, 248569)]