20906298

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{277}}^1\times {\mathrm{599}}^1$

素因数の和:891

約数の個数: 48

約数和(自身を含む): 52041600

約数和(自身を除く): 31135302

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 277, 554, 599, 831, 1198, 1662, 1797, 1939, 2493, 3594, 3878, 4193, 4986, 5391, 5817, 8386, 10782, 11634, 12579, 17451, 25158, 34902, 37737, 75474, 165923, 331846, 497769, 995538, 1161461, 1493307, 2322922, 2986614, 3484383, 6968766, 10453149, 20906298]

約数ペア:

[(1, 20906298), (2, 10453149), (3, 6968766), (6, 3484383), (7, 2986614), (9, 2322922), (14, 1493307), (18, 1161461), (21, 995538), (42, 497769), (63, 331846), (126, 165923), (277, 75474), (554, 37737), (599, 34902), (831, 25158), (1198, 17451), (1662, 12579), (1797, 11634), (1939, 10782), (2493, 8386), (3594, 5817), (3878, 5391), (4193, 4986)]