20858049790

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{1018957}}^1$

素因数の和:1019076

約数の個数: 32

約数和(自身を含む): 39617087040

約数和(自身を除く): 18759037250

約数列:

[1, 2, 5, 10, 23, 46, 89, 115, 178, 230, 445, 890, 2047, 4094, 10235, 20470, 1018957, 2037914, 5094785, 10189570, 23436011, 46872022, 90687173, 117180055, 181374346, 234360110, 453435865, 906871730, 2085804979, 4171609958, 10429024895, 20858049790]

約数ペア:

[(1, 20858049790), (2, 10429024895), (5, 4171609958), (10, 2085804979), (23, 906871730), (46, 453435865), (89, 234360110), (115, 181374346), (178, 117180055), (230, 90687173), (445, 46872022), (890, 23436011), (2047, 10189570), (4094, 5094785), (10235, 2037914), (20470, 1018957)]