20116856

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{331}}^1$

素因数の和:515

約数の個数: 32

約数和(自身を含む): 38724480

約数和(自身を除く): 18607624

約数列:

[1, 2, 4, 8, 71, 107, 142, 214, 284, 331, 428, 568, 662, 856, 1324, 2648, 7597, 15194, 23501, 30388, 35417, 47002, 60776, 70834, 94004, 141668, 188008, 283336, 2514607, 5029214, 10058428, 20116856]

約数ペア:

[(1, 20116856), (2, 10058428), (4, 5029214), (8, 2514607), (71, 283336), (107, 188008), (142, 141668), (214, 94004), (284, 70834), (331, 60776), (428, 47002), (568, 35417), (662, 30388), (856, 23501), (1324, 15194), (2648, 7597)]