20482760

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{26951}}^1$

素因数の和:26981

約数の個数: 32

約数和(自身を含む): 48513600

約数和(自身を除く): 28030840

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 26951, 53902, 107804, 134755, 215608, 269510, 512069, 539020, 1024138, 1078040, 2048276, 2560345, 4096552, 5120690, 10241380, 20482760]

約数ペア:

[(1, 20482760), (2, 10241380), (4, 5120690), (5, 4096552), (8, 2560345), (10, 2048276), (19, 1078040), (20, 1024138), (38, 539020), (40, 512069), (76, 269510), (95, 215608), (152, 134755), (190, 107804), (380, 53902), (760, 26951)]