20564254

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{26297}}^1$

素因数の和:26339

約数の個数: 16

約数和(自身を含む): 34082208

約数和(自身を除く): 13517954

約数列:

[1, 2, 17, 23, 34, 46, 391, 782, 26297, 52594, 447049, 604831, 894098, 1209662, 10282127, 20564254]

約数ペア:

[(1, 20564254), (2, 10282127), (17, 1209662), (23, 894098), (34, 604831), (46, 447049), (391, 52594), (782, 26297)]