20496806

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{2213}}^1$

素因数の和:2647

約数の個数: 16

約数和(自身を含む): 33635088

約数和(自身を除く): 13138282

約数列:

[1, 2, 11, 22, 421, 842, 2213, 4426, 4631, 9262, 24343, 48686, 931673, 1863346, 10248403, 20496806]

約数ペア:

[(1, 20496806), (2, 10248403), (11, 1863346), (22, 931673), (421, 48686), (842, 24343), (2213, 9262), (4426, 4631)]