20217864

素因数分解:

$2^3\times 3^1\times {\mathrm{107}}^1\times {\mathrm{7873}}^1$

素因数の和:7989

約数の個数: 32

約数和(自身を含む): 51023520

約数和(自身を除く): 30805656

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 107, 214, 321, 428, 642, 856, 1284, 2568, 7873, 15746, 23619, 31492, 47238, 62984, 94476, 188952, 842411, 1684822, 2527233, 3369644, 5054466, 6739288, 10108932, 20217864]

約数ペア:

[(1, 20217864), (2, 10108932), (3, 6739288), (4, 5054466), (6, 3369644), (8, 2527233), (12, 1684822), (24, 842411), (107, 188952), (214, 94476), (321, 62984), (428, 47238), (642, 31492), (856, 23619), (1284, 15746), (2568, 7873)]