20397928

素因数分解:

$2^3\times {\mathrm{463}}^1\times {\mathrm{5507}}^1$

素因数の和:5976

約数の個数: 16

約数和(自身を含む): 38335680

約数和(自身を除く): 17937752

約数列:

[1, 2, 4, 8, 463, 926, 1852, 3704, 5507, 11014, 22028, 44056, 2549741, 5099482, 10198964, 20397928]

約数ペア:

[(1, 20397928), (2, 10198964), (4, 5099482), (8, 2549741), (463, 44056), (926, 22028), (1852, 11014), (3704, 5507)]