20357972

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{739}}^1$

素因数の和:911

約数の個数: 24

約数和(自身を含む): 36550080

約数和(自身を除く): 16192108

約数列:

[1, 2, 4, 71, 97, 142, 194, 284, 388, 739, 1478, 2956, 6887, 13774, 27548, 52469, 71683, 104938, 143366, 209876, 286732, 5089493, 10178986, 20357972]

約数ペア:

[(1, 20357972), (2, 10178986), (4, 5089493), (71, 286732), (97, 209876), (142, 143366), (194, 104938), (284, 71683), (388, 52469), (739, 27548), (1478, 13774), (2956, 6887)]