20087792

素因数分解:

$2^4\times {\mathrm{491}}^1\times {\mathrm{2557}}^1$

素因数の和:3056

約数の個数: 20

約数和(自身を含む): 39014616

約数和(自身を除く): 18926824

約数列:

[1, 2, 4, 8, 16, 491, 982, 1964, 2557, 3928, 5114, 7856, 10228, 20456, 40912, 1255487, 2510974, 5021948, 10043896, 20087792]

約数ペア:

[(1, 20087792), (2, 10043896), (4, 5021948), (8, 2510974), (16, 1255487), (491, 40912), (982, 20456), (1964, 10228), (2557, 7856), (3928, 5114)]