20278528

素因数分解:

$2^8\times {\mathrm{113}}^1\times {\mathrm{701}}^1$

素因数の和:830

約数の個数: 36

約数和(自身を含む): 40894308

約数和(自身を除く): 20615780

約数列:

[1, 2, 4, 8, 16, 32, 64, 113, 128, 226, 256, 452, 701, 904, 1402, 1808, 2804, 3616, 5608, 7232, 11216, 14464, 22432, 28928, 44864, 79213, 89728, 158426, 179456, 316852, 633704, 1267408, 2534816, 5069632, 10139264, 20278528]

約数ペア:

[(1, 20278528), (2, 10139264), (4, 5069632), (8, 2534816), (16, 1267408), (32, 633704), (64, 316852), (113, 179456), (128, 158426), (226, 89728), (256, 79213), (452, 44864), (701, 28928), (904, 22432), (1402, 14464), (1808, 11216), (2804, 7232), (3616, 5608)]