20827400

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{9467}}^1$

素因数の和:9494

約数の個数: 48

約数和(自身を含む): 52831440

約数和(自身を除く): 32004040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 200, 220, 275, 440, 550, 1100, 2200, 9467, 18934, 37868, 47335, 75736, 94670, 104137, 189340, 208274, 236675, 378680, 416548, 473350, 520685, 833096, 946700, 1041370, 1893400, 2082740, 2603425, 4165480, 5206850, 10413700, 20827400]

約数ペア:

[(1, 20827400), (2, 10413700), (4, 5206850), (5, 4165480), (8, 2603425), (10, 2082740), (11, 1893400), (20, 1041370), (22, 946700), (25, 833096), (40, 520685), (44, 473350), (50, 416548), (55, 378680), (88, 236675), (100, 208274), (110, 189340), (200, 104137), (220, 94670), (275, 75736), (440, 47335), (550, 37868), (1100, 18934), (2200, 9467)]