20216351912

素因数分解:

$2^3\times {\mathrm{181}}^1\times {\mathrm{3677}}^1\times {\mathrm{3797}}^1$

素因数の和:7661

約数の個数: 32

約数和(自身を含む): 38135490120

約数和(自身を除く): 17919138208

約数列:

[1, 2, 4, 8, 181, 362, 724, 1448, 3677, 3797, 7354, 7594, 14708, 15188, 29416, 30376, 665537, 687257, 1331074, 1374514, 2662148, 2749028, 5324296, 5498056, 13961569, 27923138, 55846276, 111692552, 2527043989, 5054087978, 10108175956, 20216351912]

約数ペア:

[(1, 20216351912), (2, 10108175956), (4, 5054087978), (8, 2527043989), (181, 111692552), (362, 55846276), (724, 27923138), (1448, 13961569), (3677, 5498056), (3797, 5324296), (7354, 2749028), (7594, 2662148), (14708, 1374514), (15188, 1331074), (29416, 687257), (30376, 665537)]