20347840816

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{859}}^1\times {\mathrm{10651}}^1$

素因数の和:11657

約数の個数: 40

約数和(自身を含む): 39757524800

約数和(自身を除く): 19409683984

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 859, 1112, 1718, 2224, 3436, 6872, 10651, 13744, 21302, 42604, 85208, 119401, 170416, 238802, 477604, 955208, 1480489, 1910416, 2960978, 5921956, 9149209, 11843912, 18298418, 23687824, 36596836, 73193672, 146387344, 1271740051, 2543480102, 5086960204, 10173920408, 20347840816]

約数ペア:

[(1, 20347840816), (2, 10173920408), (4, 5086960204), (8, 2543480102), (16, 1271740051), (139, 146387344), (278, 73193672), (556, 36596836), (859, 23687824), (1112, 18298418), (1718, 11843912), (2224, 9149209), (3436, 5921956), (6872, 2960978), (10651, 1910416), (13744, 1480489), (21302, 955208), (42604, 477604), (85208, 238802), (119401, 170416)]