20178394816

素因数分解:

$2^6\times {\mathrm{2311}}^1\times {\mathrm{136429}}^1$

素因数の和:138752

約数の個数: 28

約数和(自身を含む): 40059122320

約数和(自身を除く): 19880727504

約数列:

[1, 2, 4, 8, 16, 32, 64, 2311, 4622, 9244, 18488, 36976, 73952, 136429, 147904, 272858, 545716, 1091432, 2182864, 4365728, 8731456, 315287419, 630574838, 1261149676, 2522299352, 5044598704, 10089197408, 20178394816]

約数ペア:

[(1, 20178394816), (2, 10089197408), (4, 5044598704), (8, 2522299352), (16, 1261149676), (32, 630574838), (64, 315287419), (2311, 8731456), (4622, 4365728), (9244, 2182864), (18488, 1091432), (36976, 545716), (73952, 272858), (136429, 147904)]