20314448

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1499}}^1$

素因数の和:1536

約数の個数: 60

約数和(自身を含む): 49476000

約数和(自身を除く): 29161552

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 121, 154, 176, 242, 308, 484, 616, 847, 968, 1232, 1499, 1694, 1936, 2998, 3388, 5996, 6776, 10493, 11992, 13552, 16489, 20986, 23984, 32978, 41972, 65956, 83944, 115423, 131912, 167888, 181379, 230846, 263824, 362758, 461692, 725516, 923384, 1269653, 1451032, 1846768, 2539306, 2902064, 5078612, 10157224, 20314448]

約数ペア:

[(1, 20314448), (2, 10157224), (4, 5078612), (7, 2902064), (8, 2539306), (11, 1846768), (14, 1451032), (16, 1269653), (22, 923384), (28, 725516), (44, 461692), (56, 362758), (77, 263824), (88, 230846), (112, 181379), (121, 167888), (154, 131912), (176, 115423), (242, 83944), (308, 65956), (484, 41972), (616, 32978), (847, 23984), (968, 20986), (1232, 16489), (1499, 13552), (1694, 11992), (1936, 10493), (2998, 6776), (3388, 5996)]