20842647049

素因数分解:

$7^1\times {\mathrm{73}}^1\times {\mathrm{4243}}^1\times {\mathrm{9613}}^1$

素因数の和:13936

約数の個数: 16

約数和(自身を含む): 24154675072

約数和(自身を除く): 3312028023

約数列:

[1, 7, 73, 511, 4243, 9613, 29701, 67291, 309739, 701749, 2168173, 4912243, 40787959, 285515713, 2977521007, 20842647049]

約数ペア:

[(1, 20842647049), (7, 2977521007), (73, 285515713), (511, 40787959), (4243, 4912243), (9613, 2168173), (29701, 701749), (67291, 309739)]