20219452

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{2381}}^1$

素因数の和:2589

約数の個数: 24

約数和(自身を含む): 38817072

約数和(自身を除く): 18597620

約数列:

[1, 2, 4, 11, 22, 44, 193, 386, 772, 2123, 2381, 4246, 4762, 8492, 9524, 26191, 52382, 104764, 459533, 919066, 1838132, 5054863, 10109726, 20219452]

約数ペア:

[(1, 20219452), (2, 10109726), (4, 5054863), (11, 1838132), (22, 919066), (44, 459533), (193, 104764), (386, 52382), (772, 26191), (2123, 9524), (2381, 8492), (4246, 4762)]