20666970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{829}}^1$

素因数の和:1119

約数の個数: 48

約数和(自身を含む): 53993160

約数和(自身を除く): 33326190

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 277, 554, 829, 831, 1385, 1658, 1662, 2487, 2493, 2770, 4145, 4155, 4974, 4986, 7461, 8290, 8310, 12435, 12465, 14922, 24870, 24930, 37305, 74610, 229633, 459266, 688899, 1148165, 1377798, 2066697, 2296330, 3444495, 4133394, 6888990, 10333485, 20666970]

約数ペア:

[(1, 20666970), (2, 10333485), (3, 6888990), (5, 4133394), (6, 3444495), (9, 2296330), (10, 2066697), (15, 1377798), (18, 1148165), (30, 688899), (45, 459266), (90, 229633), (277, 74610), (554, 37305), (829, 24930), (831, 24870), (1385, 14922), (1658, 12465), (1662, 12435), (2487, 8310), (2493, 8290), (2770, 7461), (4145, 4986), (4155, 4974)]