19720544

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{36251}}^1$

素因数の和:36278

約数の個数: 24

約数和(自身を含む): 41109768

約数和(自身を除く): 21389224

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 544, 36251, 72502, 145004, 290008, 580016, 616267, 1160032, 1232534, 2465068, 4930136, 9860272, 19720544]

約数ペア:

[(1, 19720544), (2, 9860272), (4, 4930136), (8, 2465068), (16, 1232534), (17, 1160032), (32, 616267), (34, 580016), (68, 290008), (136, 145004), (272, 72502), (544, 36251)]