20126543864

素因数分解:

$2^3\times 7^1\times {\mathrm{1117}}^1\times {\mathrm{321757}}^1$

素因数の和:322887

約数の個数: 32

約数和(自身を含む): 43167053280

約数和(自身を除く): 23040509416

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 1117, 2234, 4468, 7819, 8936, 15638, 31276, 62552, 321757, 643514, 1287028, 2252299, 2574056, 4504598, 9009196, 18018392, 359402569, 718805138, 1437610276, 2515817983, 2875220552, 5031635966, 10063271932, 20126543864]

約数ペア:

[(1, 20126543864), (2, 10063271932), (4, 5031635966), (7, 2875220552), (8, 2515817983), (14, 1437610276), (28, 718805138), (56, 359402569), (1117, 18018392), (2234, 9009196), (4468, 4504598), (7819, 2574056), (8936, 2252299), (15638, 1287028), (31276, 643514), (62552, 321757)]