20139965776

素因数分解:

$2^4\times 7^1\times {\mathrm{2851}}^1\times {\mathrm{63073}}^1$

素因数の和:65939

約数の個数: 40

約数和(自身を含む): 44611987904

約数和(自身を除く): 24472022128

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 2851, 5702, 11404, 19957, 22808, 39914, 45616, 63073, 79828, 126146, 159656, 252292, 319312, 441511, 504584, 883022, 1009168, 1766044, 3532088, 7064176, 179821123, 359642246, 719284492, 1258747861, 1438568984, 2517495722, 2877137968, 5034991444, 10069982888, 20139965776]

約数ペア:

[(1, 20139965776), (2, 10069982888), (4, 5034991444), (7, 2877137968), (8, 2517495722), (14, 1438568984), (16, 1258747861), (28, 719284492), (56, 359642246), (112, 179821123), (2851, 7064176), (5702, 3532088), (11404, 1766044), (19957, 1009168), (22808, 883022), (39914, 504584), (45616, 441511), (63073, 319312), (79828, 252292), (126146, 159656)]