2020138420

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{926669}}^1$

素因数の和:926787

約数の個数: 24

約数和(自身を含む): 4281215400

約数和(自身を除く): 2261076980

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 926669, 1853338, 3706676, 4633345, 9266690, 18533380, 101006921, 202013842, 404027684, 505034605, 1010069210, 2020138420]

約数ペア:

[(1, 2020138420), (2, 1010069210), (4, 505034605), (5, 404027684), (10, 202013842), (20, 101006921), (109, 18533380), (218, 9266690), (436, 4633345), (545, 3706676), (1090, 1853338), (2180, 926669)]