20529648

素因数分解:

$2^4\times 3^2\times {\mathrm{142567}}^1$

素因数の和:142581

約数の個数: 30

約数和(自身を含む): 57454904

約数和(自身を除く): 36925256

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 142567, 285134, 427701, 570268, 855402, 1140536, 1283103, 1710804, 2281072, 2566206, 3421608, 5132412, 6843216, 10264824, 20529648]

約数ペア:

[(1, 20529648), (2, 10264824), (3, 6843216), (4, 5132412), (6, 3421608), (8, 2566206), (9, 2281072), (12, 1710804), (16, 1283103), (18, 1140536), (24, 855402), (36, 570268), (48, 427701), (72, 285134), (144, 142567)]