20931436

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{739}}^1$

素因数の和:913

約数の個数: 24

約数和(自身を含む): 37565360

約数和(自身を除く): 16633924

約数列:

[1, 2, 4, 73, 97, 146, 194, 292, 388, 739, 1478, 2956, 7081, 14162, 28324, 53947, 71683, 107894, 143366, 215788, 286732, 5232859, 10465718, 20931436]

約数ペア:

[(1, 20931436), (2, 10465718), (4, 5232859), (73, 286732), (97, 215788), (146, 143366), (194, 107894), (292, 71683), (388, 53947), (739, 28324), (1478, 14162), (2956, 7081)]