20405594

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{641}}^1\times {\mathrm{1447}}^1$

素因数の和:2101

約数の個数: 16

約数和(自身を含む): 33466176

約数和(自身を除く): 13060582

約数列:

[1, 2, 11, 22, 641, 1282, 1447, 2894, 7051, 14102, 15917, 31834, 927527, 1855054, 10202797, 20405594]

約数ペア:

[(1, 20405594), (2, 10202797), (11, 1855054), (22, 927527), (641, 31834), (1282, 15917), (1447, 14102), (2894, 7051)]