20825397

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{179}}^1$

素因数の和:358

約数の個数: 32

約数和(自身を含む): 32256000

約数和(自身を除く): 11430603

約数列:

[1, 3, 9, 27, 31, 93, 139, 179, 279, 417, 537, 837, 1251, 1611, 3753, 4309, 4833, 5549, 12927, 16647, 24881, 38781, 49941, 74643, 116343, 149823, 223929, 671787, 771311, 2313933, 6941799, 20825397]

約数ペア:

[(1, 20825397), (3, 6941799), (9, 2313933), (27, 771311), (31, 671787), (93, 223929), (139, 149823), (179, 116343), (279, 74643), (417, 49941), (537, 38781), (837, 24881), (1251, 16647), (1611, 12927), (3753, 5549), (4309, 4833)]