20815256

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{33791}}^1$

素因数の和:33815

約数の個数: 32

約数和(自身を含む): 48660480

約数和(自身を除く): 27845224

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 308, 616, 33791, 67582, 135164, 236537, 270328, 371701, 473074, 743402, 946148, 1486804, 1892296, 2601907, 2973608, 5203814, 10407628, 20815256]

約数ペア:

[(1, 20815256), (2, 10407628), (4, 5203814), (7, 2973608), (8, 2601907), (11, 1892296), (14, 1486804), (22, 946148), (28, 743402), (44, 473074), (56, 371701), (77, 270328), (88, 236537), (154, 135164), (308, 67582), (616, 33791)]