20655288

素因数分解:

$2^3\times 3^2\times {\mathrm{23}}^1\times {\mathrm{12473}}^1$

素因数の和:12508

約数の個数: 48

約数和(自身を含む): 58378320

約数和(自身を除く): 37723032

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 36, 46, 69, 72, 92, 138, 184, 207, 276, 414, 552, 828, 1656, 12473, 24946, 37419, 49892, 74838, 99784, 112257, 149676, 224514, 286879, 299352, 449028, 573758, 860637, 898056, 1147516, 1721274, 2295032, 2581911, 3442548, 5163822, 6885096, 10327644, 20655288]

約数ペア:

[(1, 20655288), (2, 10327644), (3, 6885096), (4, 5163822), (6, 3442548), (8, 2581911), (9, 2295032), (12, 1721274), (18, 1147516), (23, 898056), (24, 860637), (36, 573758), (46, 449028), (69, 299352), (72, 286879), (92, 224514), (138, 149676), (184, 112257), (207, 99784), (276, 74838), (414, 49892), (552, 37419), (828, 24946), (1656, 12473)]