20173673720

素因数分解:

$2^3\times 5^1\times {\mathrm{24907}}^1\times {\mathrm{20249}}^1$

素因数の和:45167

約数の個数: 32

約数和(自身を含む): 45394830000

約数和(自身を除く): 25221156280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 20249, 24907, 40498, 49814, 80996, 99628, 101245, 124535, 161992, 199256, 202490, 249070, 404980, 498140, 809960, 996280, 504341843, 1008683686, 2017367372, 2521709215, 4034734744, 5043418430, 10086836860, 20173673720]

約数ペア:

[(1, 20173673720), (2, 10086836860), (4, 5043418430), (5, 4034734744), (8, 2521709215), (10, 2017367372), (20, 1008683686), (40, 504341843), (20249, 996280), (24907, 809960), (40498, 498140), (49814, 404980), (80996, 249070), (99628, 202490), (101245, 199256), (124535, 161992)]