20282412

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1709}}^1$

素因数の和:1782

約数の個数: 48

約数和(自身を含む): 50561280

約数和(自身を除く): 30278868

約数列:

[1, 2, 3, 4, 6, 12, 23, 43, 46, 69, 86, 92, 129, 138, 172, 258, 276, 516, 989, 1709, 1978, 2967, 3418, 3956, 5127, 5934, 6836, 10254, 11868, 20508, 39307, 73487, 78614, 117921, 146974, 157228, 220461, 235842, 293948, 440922, 471684, 881844, 1690201, 3380402, 5070603, 6760804, 10141206, 20282412]

約数ペア:

[(1, 20282412), (2, 10141206), (3, 6760804), (4, 5070603), (6, 3380402), (12, 1690201), (23, 881844), (43, 471684), (46, 440922), (69, 293948), (86, 235842), (92, 220461), (129, 157228), (138, 146974), (172, 117921), (258, 78614), (276, 73487), (516, 39307), (989, 20508), (1709, 11868), (1978, 10254), (2967, 6836), (3418, 5934), (3956, 5127)]