20542816

素因数分解:

$2^5\times 7^1\times {\mathrm{293}}^1\times {\mathrm{313}}^1$

素因数の和:623

約数の個数: 48

約数和(自身を含む): 46527264

約数和(自身を除く): 25984448

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 293, 313, 586, 626, 1172, 1252, 2051, 2191, 2344, 2504, 4102, 4382, 4688, 5008, 8204, 8764, 9376, 10016, 16408, 17528, 32816, 35056, 65632, 70112, 91709, 183418, 366836, 641963, 733672, 1283926, 1467344, 2567852, 2934688, 5135704, 10271408, 20542816]

約数ペア:

[(1, 20542816), (2, 10271408), (4, 5135704), (7, 2934688), (8, 2567852), (14, 1467344), (16, 1283926), (28, 733672), (32, 641963), (56, 366836), (112, 183418), (224, 91709), (293, 70112), (313, 65632), (586, 35056), (626, 32816), (1172, 17528), (1252, 16408), (2051, 10016), (2191, 9376), (2344, 8764), (2504, 8204), (4102, 5008), (4382, 4688)]