20087560

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{26431}}^1$

素因数の和:26461

約数の個数: 32

約数和(自身を含む): 47577600

約数和(自身を除く): 27490040

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 26431, 52862, 105724, 132155, 211448, 264310, 502189, 528620, 1004378, 1057240, 2008756, 2510945, 4017512, 5021890, 10043780, 20087560]

約数ペア:

[(1, 20087560), (2, 10043780), (4, 5021890), (5, 4017512), (8, 2510945), (10, 2008756), (19, 1057240), (20, 1004378), (38, 528620), (40, 502189), (76, 264310), (95, 211448), (152, 132155), (190, 105724), (380, 52862), (760, 26431)]