2020505872

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1640021}}^1$

素因数の和:1640047

約数の個数: 40

約数和(自身を含む): 4880705472

約数和(自身を除く): 2860199600

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 616, 1232, 1640021, 3280042, 6560084, 11480147, 13120168, 18040231, 22960294, 26240336, 36080462, 45920588, 72160924, 91841176, 126281617, 144321848, 183682352, 252563234, 288643696, 505126468, 1010252936, 2020505872]

約数ペア:

[(1, 2020505872), (2, 1010252936), (4, 505126468), (7, 288643696), (8, 252563234), (11, 183682352), (14, 144321848), (16, 126281617), (22, 91841176), (28, 72160924), (44, 45920588), (56, 36080462), (77, 26240336), (88, 22960294), (112, 18040231), (154, 13120168), (176, 11480147), (308, 6560084), (616, 3280042), (1232, 1640021)]