20478246

素因数分解:

$2^1\times 3^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{907}}^1$

素因数の和:1036

約数の個数: 32

約数和(自身を含む): 42363648

約数和(自身を除く): 21885402

約数列:

[1, 2, 3, 6, 53, 71, 106, 142, 159, 213, 318, 426, 907, 1814, 2721, 3763, 5442, 7526, 11289, 22578, 48071, 64397, 96142, 128794, 144213, 193191, 288426, 386382, 3413041, 6826082, 10239123, 20478246]

約数ペア:

[(1, 20478246), (2, 10239123), (3, 6826082), (6, 3413041), (53, 386382), (71, 288426), (106, 193191), (142, 144213), (159, 128794), (213, 96142), (318, 64397), (426, 48071), (907, 22578), (1814, 11289), (2721, 7526), (3763, 5442)]