20994446

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41491}}^1$

素因数の和:41527

約数の個数: 16

約数和(自身を含む): 35849088

約数和(自身を除く): 14854642

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 41491, 82982, 456401, 912802, 954293, 1908586, 10497223, 20994446]

約数ペア:

[(1, 20994446), (2, 10497223), (11, 1908586), (22, 954293), (23, 912802), (46, 456401), (253, 82982), (506, 41491)]