20417606

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{40351}}^1$

素因数の和:40387

約数の個数: 16

約数和(自身を含む): 34864128

約数和(自身を除く): 14446522

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 40351, 80702, 443861, 887722, 928073, 1856146, 10208803, 20417606]

約数ペア:

[(1, 20417606), (2, 10208803), (11, 1856146), (22, 928073), (23, 887722), (46, 443861), (253, 80702), (506, 40351)]