20782371872

素因数分解:

$2^5\times {\mathrm{53}}^1\times {\mathrm{269}}^1\times {\mathrm{45553}}^1$

素因数の和:45885

約数の個数: 48

約数和(自身を含む): 41843171160

約数和(自身を除く): 21060799288

約数列:

[1, 2, 4, 8, 16, 32, 53, 106, 212, 269, 424, 538, 848, 1076, 1696, 2152, 4304, 8608, 14257, 28514, 45553, 57028, 91106, 114056, 182212, 228112, 364424, 456224, 728848, 1457696, 2414309, 4828618, 9657236, 12253757, 19314472, 24507514, 38628944, 49015028, 77257888, 98030056, 196060112, 392120224, 649449121, 1298898242, 2597796484, 5195592968, 10391185936, 20782371872]

約数ペア:

[(1, 20782371872), (2, 10391185936), (4, 5195592968), (8, 2597796484), (16, 1298898242), (32, 649449121), (53, 392120224), (106, 196060112), (212, 98030056), (269, 77257888), (424, 49015028), (538, 38628944), (848, 24507514), (1076, 19314472), (1696, 12253757), (2152, 9657236), (4304, 4828618), (8608, 2414309), (14257, 1457696), (28514, 728848), (45553, 456224), (57028, 364424), (91106, 228112), (114056, 182212)]