20804927576

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{1907}}^1\times {\mathrm{43991}}^1$

素因数の和:45935

約数の個数: 32

約数和(自身を含む): 40289633280

約数和(自身を除く): 19484705704

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 1907, 3814, 7628, 15256, 43991, 59117, 87982, 118234, 175964, 236468, 351928, 472936, 1363721, 2727442, 5454884, 10909768, 83890837, 167781674, 335563348, 671126696, 2600615947, 5201231894, 10402463788, 20804927576]

約数ペア:

[(1, 20804927576), (2, 10402463788), (4, 5201231894), (8, 2600615947), (31, 671126696), (62, 335563348), (124, 167781674), (248, 83890837), (1907, 10909768), (3814, 5454884), (7628, 2727442), (15256, 1363721), (43991, 472936), (59117, 351928), (87982, 236468), (118234, 175964)]