20597696

素因数分解:

$2^6\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1999}}^1$

素因数の和:2041

約数の個数: 56

約数和(自身を含む): 48768000

約数和(自身を除く): 28170304

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 64, 92, 112, 161, 184, 224, 322, 368, 448, 644, 736, 1288, 1472, 1999, 2576, 3998, 5152, 7996, 10304, 13993, 15992, 27986, 31984, 45977, 55972, 63968, 91954, 111944, 127936, 183908, 223888, 321839, 367816, 447776, 643678, 735632, 895552, 1287356, 1471264, 2574712, 2942528, 5149424, 10298848, 20597696]

約数ペア:

[(1, 20597696), (2, 10298848), (4, 5149424), (7, 2942528), (8, 2574712), (14, 1471264), (16, 1287356), (23, 895552), (28, 735632), (32, 643678), (46, 447776), (56, 367816), (64, 321839), (92, 223888), (112, 183908), (161, 127936), (184, 111944), (224, 91954), (322, 63968), (368, 55972), (448, 45977), (644, 31984), (736, 27986), (1288, 15992), (1472, 13993), (1999, 10304), (2576, 7996), (3998, 5152)]