20322756

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{7951}}^1$

素因数の和:8032

約数の個数: 36

約数和(自身を含む): 52101504

約数和(自身を除く): 31778748

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 142, 213, 284, 426, 639, 852, 1278, 2556, 7951, 15902, 23853, 31804, 47706, 71559, 95412, 143118, 286236, 564521, 1129042, 1693563, 2258084, 3387126, 5080689, 6774252, 10161378, 20322756]

約数ペア:

[(1, 20322756), (2, 10161378), (3, 6774252), (4, 5080689), (6, 3387126), (9, 2258084), (12, 1693563), (18, 1129042), (36, 564521), (71, 286236), (142, 143118), (213, 95412), (284, 71559), (426, 47706), (639, 31804), (852, 23853), (1278, 15902), (2556, 7951)]