20846288

素因数分解:

$2^4\times {\mathrm{127}}^1\times {\mathrm{10259}}^1$

素因数の和:10394

約数の個数: 20

約数和(自身を含む): 40711680

約数和(自身を除く): 19865392

約数列:

[1, 2, 4, 8, 16, 127, 254, 508, 1016, 2032, 10259, 20518, 41036, 82072, 164144, 1302893, 2605786, 5211572, 10423144, 20846288]

約数ペア:

[(1, 20846288), (2, 10423144), (4, 5211572), (8, 2605786), (16, 1302893), (127, 164144), (254, 82072), (508, 41036), (1016, 20518), (2032, 10259)]