20199189800

素因数分解:

$2^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{2348743}}^1$

素因数の和:2348802

約数の個数: 48

約数和(自身を含む): 48055302240

約数和(自身を除く): 27856112440

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 43, 50, 86, 100, 172, 200, 215, 344, 430, 860, 1075, 1720, 2150, 4300, 8600, 2348743, 4697486, 9394972, 11743715, 18789944, 23487430, 46974860, 58718575, 93949720, 100995949, 117437150, 201991898, 234874300, 403983796, 469748600, 504979745, 807967592, 1009959490, 2019918980, 2524898725, 4039837960, 5049797450, 10099594900, 20199189800]

約数ペア:

[(1, 20199189800), (2, 10099594900), (4, 5049797450), (5, 4039837960), (8, 2524898725), (10, 2019918980), (20, 1009959490), (25, 807967592), (40, 504979745), (43, 469748600), (50, 403983796), (86, 234874300), (100, 201991898), (172, 117437150), (200, 100995949), (215, 93949720), (344, 58718575), (430, 46974860), (860, 23487430), (1075, 18789944), (1720, 11743715), (2150, 9394972), (4300, 4697486), (8600, 2348743)]