20218312

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{31991}}^1$

素因数の和:32076

約数の個数: 16

約数和(自身を含む): 38390400

約数和(自身を除く): 18172088

約数列:

[1, 2, 4, 8, 79, 158, 316, 632, 31991, 63982, 127964, 255928, 2527289, 5054578, 10109156, 20218312]

約数ペア:

[(1, 20218312), (2, 10109156), (4, 5054578), (8, 2527289), (79, 255928), (158, 127964), (316, 63982), (632, 31991)]