20836376

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{2441}}^1$

素因数の和:2555

約数の個数: 32

約数和(自身を含む): 43076880

約数和(自身を除く): 22240504

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 97, 194, 388, 776, 1067, 2134, 2441, 4268, 4882, 8536, 9764, 19528, 26851, 53702, 107404, 214808, 236777, 473554, 947108, 1894216, 2604547, 5209094, 10418188, 20836376]

約数ペア:

[(1, 20836376), (2, 10418188), (4, 5209094), (8, 2604547), (11, 1894216), (22, 947108), (44, 473554), (88, 236777), (97, 214808), (194, 107404), (388, 53702), (776, 26851), (1067, 19528), (2134, 9764), (2441, 8536), (4268, 4882)]