20727834040

素因数分解:

$2^3\times 5^1\times {\mathrm{797}}^1\times {\mathrm{650183}}^1$

素因数の和:650991

約数の個数: 32

約数和(自身を含む): 46696214880

約数和(自身を除く): 25968380840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 797, 1594, 3188, 3985, 6376, 7970, 15940, 31880, 650183, 1300366, 2600732, 3250915, 5201464, 6501830, 13003660, 26007320, 518195851, 1036391702, 2072783404, 2590979255, 4145566808, 5181958510, 10363917020, 20727834040]

約数ペア:

[(1, 20727834040), (2, 10363917020), (4, 5181958510), (5, 4145566808), (8, 2590979255), (10, 2072783404), (20, 1036391702), (40, 518195851), (797, 26007320), (1594, 13003660), (3188, 6501830), (3985, 5201464), (6376, 3250915), (7970, 2600732), (15940, 1300366), (31880, 650183)]