20338736

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{115561}}^1$

素因数の和:115580

約数の個数: 20

約数和(自身を含む): 42989064

約数和(自身を除く): 22650328

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 115561, 231122, 462244, 924488, 1271171, 1848976, 2542342, 5084684, 10169368, 20338736]

約数ペア:

[(1, 20338736), (2, 10169368), (4, 5084684), (8, 2542342), (11, 1848976), (16, 1271171), (22, 924488), (44, 462244), (88, 231122), (176, 115561)]