20123159042

素因数分解:

$2^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{211}}^1\times {\mathrm{62497}}^1$

素因数の和:62826

約数の個数: 32

約数和(自身を含む): 34978880640

約数和(自身を除く): 14855721598

約数列:

[1, 2, 7, 14, 109, 211, 218, 422, 763, 1477, 1526, 2954, 22999, 45998, 62497, 124994, 160993, 321986, 437479, 874958, 6812173, 13186867, 13624346, 26373734, 47685211, 92308069, 95370422, 184616138, 1437368503, 2874737006, 10061579521, 20123159042]

約数ペア:

[(1, 20123159042), (2, 10061579521), (7, 2874737006), (14, 1437368503), (109, 184616138), (211, 95370422), (218, 92308069), (422, 47685211), (763, 26373734), (1477, 13624346), (1526, 13186867), (2954, 6812173), (22999, 874958), (45998, 437479), (62497, 321986), (124994, 160993)]