20740373810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{1256231}}^1$

素因数の和:1256378

約数の個数: 32

約数和(自身を含む): 40521019392

約数和(自身を除く): 19780645582

約数列:

[1, 2, 5, 10, 13, 26, 65, 127, 130, 254, 635, 1270, 1651, 3302, 8255, 16510, 1256231, 2512462, 6281155, 12562310, 16331003, 32662006, 81655015, 159541337, 163310030, 319082674, 797706685, 1595413370, 2074037381, 4148074762, 10370186905, 20740373810]

約数ペア:

[(1, 20740373810), (2, 10370186905), (5, 4148074762), (10, 2074037381), (13, 1595413370), (26, 797706685), (65, 319082674), (127, 163310030), (130, 159541337), (254, 81655015), (635, 32662006), (1270, 16331003), (1651, 12562310), (3302, 6281155), (8255, 2512462), (16510, 1256231)]