20208978856

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{572687}}^1$

素因数の和:573105

約数の個数: 32

約数和(自身を含む): 41439703680

約数和(自身を除く): 21230724824

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 401, 802, 1604, 3208, 4411, 8822, 17644, 35288, 572687, 1145374, 2290748, 4581496, 6299557, 12599114, 25198228, 50396456, 229647487, 459294974, 918589948, 1837179896, 2526122357, 5052244714, 10104489428, 20208978856]

約数ペア:

[(1, 20208978856), (2, 10104489428), (4, 5052244714), (8, 2526122357), (11, 1837179896), (22, 918589948), (44, 459294974), (88, 229647487), (401, 50396456), (802, 25198228), (1604, 12599114), (3208, 6299557), (4411, 4581496), (8822, 2290748), (17644, 1145374), (35288, 572687)]