20971846

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{88117}}^1$

素因数の和:88143

約数の個数: 16

約数和(自身を含む): 38066976

約数和(自身を除く): 17095130

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 88117, 176234, 616819, 1233638, 1497989, 2995978, 10485923, 20971846]

約数ペア:

[(1, 20971846), (2, 10485923), (7, 2995978), (14, 1497989), (17, 1233638), (34, 616819), (119, 176234), (238, 88117)]