20174895944

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1163}}^1\times {\mathrm{4363}}^1$

素因数の和:5610

約数の個数: 64

約数和(自身を含む): 43888573440

約数和(自身を除く): 23713677496

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 142, 284, 497, 568, 994, 1163, 1988, 2326, 3976, 4363, 4652, 8141, 8726, 9304, 16282, 17452, 30541, 32564, 34904, 61082, 65128, 82573, 122164, 165146, 244328, 309773, 330292, 578011, 619546, 660584, 1156022, 1239092, 2168411, 2312044, 2478184, 4336822, 4624088, 5074169, 8673644, 10148338, 17347288, 20296676, 35519183, 40593352, 71038366, 142076732, 284153464, 360265999, 720531998, 1441063996, 2521861993, 2882127992, 5043723986, 10087447972, 20174895944]

約数ペア:

[(1, 20174895944), (2, 10087447972), (4, 5043723986), (7, 2882127992), (8, 2521861993), (14, 1441063996), (28, 720531998), (56, 360265999), (71, 284153464), (142, 142076732), (284, 71038366), (497, 40593352), (568, 35519183), (994, 20296676), (1163, 17347288), (1988, 10148338), (2326, 8673644), (3976, 5074169), (4363, 4624088), (4652, 4336822), (8141, 2478184), (8726, 2312044), (9304, 2168411), (16282, 1239092), (17452, 1156022), (30541, 660584), (32564, 619546), (34904, 578011), (61082, 330292), (65128, 309773), (82573, 244328), (122164, 165146)]