20508738304

素因数分解:

$2^8\times {\mathrm{20297}}^1\times {\mathrm{3947}}^1$

素因数の和:24260

約数の個数: 36

約数和(自身を含む): 40949753544

約数和(自身を除く): 20441015240

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 3947, 7894, 15788, 20297, 31576, 40594, 63152, 81188, 126304, 162376, 252608, 324752, 505216, 649504, 1010432, 1299008, 2598016, 5196032, 80112259, 160224518, 320449036, 640898072, 1281796144, 2563592288, 5127184576, 10254369152, 20508738304]

約数ペア:

[(1, 20508738304), (2, 10254369152), (4, 5127184576), (8, 2563592288), (16, 1281796144), (32, 640898072), (64, 320449036), (128, 160224518), (256, 80112259), (3947, 5196032), (7894, 2598016), (15788, 1299008), (20297, 1010432), (31576, 649504), (40594, 505216), (63152, 324752), (81188, 252608), (126304, 162376)]