20619856

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{15527}}^1$

素因数の和:15618

約数の個数: 20

約数和(自身を含む): 40434912

約数和(自身を除く): 19815056

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 15527, 31054, 62108, 124216, 248432, 1288741, 2577482, 5154964, 10309928, 20619856]

約数ペア:

[(1, 20619856), (2, 10309928), (4, 5154964), (8, 2577482), (16, 1288741), (83, 248432), (166, 124216), (332, 62108), (664, 31054), (1328, 15527)]