20382544

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{13999}}^1$

素因数の和:14027

約数の個数: 40

約数和(自身を含む): 48608000

約数和(自身を除く): 28225456

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 13999, 27998, 55996, 97993, 111992, 181987, 195986, 223984, 363974, 391972, 727948, 783944, 1273909, 1455896, 1567888, 2547818, 2911792, 5095636, 10191272, 20382544]

約数ペア:

[(1, 20382544), (2, 10191272), (4, 5095636), (7, 2911792), (8, 2547818), (13, 1567888), (14, 1455896), (16, 1273909), (26, 783944), (28, 727948), (52, 391972), (56, 363974), (91, 223984), (104, 195986), (112, 181987), (182, 111992), (208, 97993), (364, 55996), (728, 27998), (1456, 13999)]