20317714

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{1951}}^1$

素因数の和:2121

約数の個数: 16

約数和(自身を含む): 31481856

約数和(自身を除く): 11164142

約数列:

[1, 2, 41, 82, 127, 254, 1951, 3902, 5207, 10414, 79991, 159982, 247777, 495554, 10158857, 20317714]

約数ペア:

[(1, 20317714), (2, 10158857), (41, 495554), (82, 247777), (127, 159982), (254, 79991), (1951, 10414), (3902, 5207)]