20668582

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{40847}}^1$

素因数の和:40883

約数の個数: 16

約数和(自身を含む): 35292672

約数和(自身を除く): 14624090

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 40847, 81694, 449317, 898634, 939481, 1878962, 10334291, 20668582]

約数ペア:

[(1, 20668582), (2, 10334291), (11, 1878962), (22, 939481), (23, 898634), (46, 449317), (253, 81694), (506, 40847)]