20178086188

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{5309}}^1\times {\mathrm{73091}}^1$

素因数の和:78417

約数の個数: 24

約数和(自身を含む): 38035614960

約数和(自身を除く): 17857528772

約数列:

[1, 2, 4, 13, 26, 52, 5309, 10618, 21236, 69017, 73091, 138034, 146182, 276068, 292364, 950183, 1900366, 3800732, 388040119, 776080238, 1552160476, 5044521547, 10089043094, 20178086188]

約数ペア:

[(1, 20178086188), (2, 10089043094), (4, 5044521547), (13, 1552160476), (26, 776080238), (52, 388040119), (5309, 3800732), (10618, 1900366), (21236, 950183), (69017, 292364), (73091, 276068), (138034, 146182)]