20667156

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{727}}^1$

素因数の和:860

約数の個数: 48

約数和(自身を含む): 50878464

約数和(自身を除く): 30211308

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 103, 138, 206, 276, 309, 412, 618, 727, 1236, 1454, 2181, 2369, 2908, 4362, 4738, 7107, 8724, 9476, 14214, 16721, 28428, 33442, 50163, 66884, 74881, 100326, 149762, 200652, 224643, 299524, 449286, 898572, 1722263, 3444526, 5166789, 6889052, 10333578, 20667156]

約数ペア:

[(1, 20667156), (2, 10333578), (3, 6889052), (4, 5166789), (6, 3444526), (12, 1722263), (23, 898572), (46, 449286), (69, 299524), (92, 224643), (103, 200652), (138, 149762), (206, 100326), (276, 74881), (309, 66884), (412, 50163), (618, 33442), (727, 28428), (1236, 16721), (1454, 14214), (2181, 9476), (2369, 8724), (2908, 7107), (4362, 4738)]