20047888

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{9421}}^1$

素因数の和:9455

約数の個数: 40

約数和(自身を含む): 46733120

約数和(自身を除く): 26685232

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 9421, 18842, 37684, 65947, 75368, 131894, 150736, 178999, 263788, 357998, 527576, 715996, 1055152, 1252993, 1431992, 2505986, 2863984, 5011972, 10023944, 20047888]

約数ペア:

[(1, 20047888), (2, 10023944), (4, 5011972), (7, 2863984), (8, 2505986), (14, 1431992), (16, 1252993), (19, 1055152), (28, 715996), (38, 527576), (56, 357998), (76, 263788), (112, 178999), (133, 150736), (152, 131894), (266, 75368), (304, 65947), (532, 37684), (1064, 18842), (2128, 9421)]