20929218

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{3527}}^1$

素因数の和:3598

約数の個数: 32

約数和(自身を含む): 44706816

約数和(自身を除く): 23777598

約数列:

[1, 2, 3, 6, 23, 43, 46, 69, 86, 129, 138, 258, 989, 1978, 2967, 3527, 5934, 7054, 10581, 21162, 81121, 151661, 162242, 243363, 303322, 454983, 486726, 909966, 3488203, 6976406, 10464609, 20929218]

約数ペア:

[(1, 20929218), (2, 10464609), (3, 6976406), (6, 3488203), (23, 909966), (43, 486726), (46, 454983), (69, 303322), (86, 243363), (129, 162242), (138, 151661), (258, 81121), (989, 21162), (1978, 10581), (2967, 7054), (3527, 5934)]