20398324

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{2767}}^1$

素因数の和:2887

約数の個数: 24

約数和(自身を含む): 37976960

約数和(自身を除く): 17578636

約数列:

[1, 2, 4, 19, 38, 76, 97, 194, 388, 1843, 2767, 3686, 5534, 7372, 11068, 52573, 105146, 210292, 268399, 536798, 1073596, 5099581, 10199162, 20398324]

約数ペア:

[(1, 20398324), (2, 10199162), (4, 5099581), (19, 1073596), (38, 536798), (76, 268399), (97, 210292), (194, 105146), (388, 52573), (1843, 11068), (2767, 7372), (3686, 5534)]