20102211

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1$

素因数の和:180

約数の個数: 48

約数和(自身を含む): 32651424

約数和(自身を除く): 12549213

約数列:

[1, 3, 9, 17, 37, 51, 53, 67, 111, 153, 159, 201, 333, 477, 603, 629, 901, 1139, 1887, 1961, 2479, 2703, 3417, 3551, 5661, 5883, 7437, 8109, 10251, 10653, 17649, 22311, 31959, 33337, 42143, 60367, 100011, 126429, 131387, 181101, 300033, 379287, 394161, 543303, 1182483, 2233579, 6700737, 20102211]

約数ペア:

[(1, 20102211), (3, 6700737), (9, 2233579), (17, 1182483), (37, 543303), (51, 394161), (53, 379287), (67, 300033), (111, 181101), (153, 131387), (159, 126429), (201, 100011), (333, 60367), (477, 42143), (603, 33337), (629, 31959), (901, 22311), (1139, 17649), (1887, 10653), (1961, 10251), (2479, 8109), (2703, 7437), (3417, 5883), (3551, 5661)]