20356756

素因数分解:

$2^2\times 7^2\times {\mathrm{283}}^1\times {\mathrm{367}}^1$

素因数の和:668

約数の個数: 36

約数和(自身を含む): 41700288

約数和(自身を除く): 21343532

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 283, 367, 566, 734, 1132, 1468, 1981, 2569, 3962, 5138, 7924, 10276, 13867, 17983, 27734, 35966, 55468, 71932, 103861, 207722, 415444, 727027, 1454054, 2908108, 5089189, 10178378, 20356756]

約数ペア:

[(1, 20356756), (2, 10178378), (4, 5089189), (7, 2908108), (14, 1454054), (28, 727027), (49, 415444), (98, 207722), (196, 103861), (283, 71932), (367, 55468), (566, 35966), (734, 27734), (1132, 17983), (1468, 13867), (1981, 10276), (2569, 7924), (3962, 5138)]