20139027460

素因数分解:

$2^2\times 5^1\times {\mathrm{11779}}^1\times {\mathrm{85487}}^1$

素因数の和:97275

約数の個数: 24

約数和(自身を含む): 42296042880

約数和(自身を除く): 22157015420

約数列:

[1, 2, 4, 5, 10, 20, 11779, 23558, 47116, 58895, 85487, 117790, 170974, 235580, 341948, 427435, 854870, 1709740, 1006951373, 2013902746, 4027805492, 5034756865, 10069513730, 20139027460]

約数ペア:

[(1, 20139027460), (2, 10069513730), (4, 5034756865), (5, 4027805492), (10, 2013902746), (20, 1006951373), (11779, 1709740), (23558, 854870), (47116, 427435), (58895, 341948), (85487, 235580), (117790, 170974)]