20391374

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{1867}}^1$

素因数の和:2039

約数の個数: 16

約数和(自身を含む): 31561728

約数和(自身を除く): 11170354

約数列:

[1, 2, 43, 86, 127, 254, 1867, 3734, 5461, 10922, 80281, 160562, 237109, 474218, 10195687, 20391374]

約数ペア:

[(1, 20391374), (2, 10195687), (43, 474218), (86, 237109), (127, 160562), (254, 80281), (1867, 10922), (3734, 5461)]