20730501

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:246

約数の個数: 48

約数和(自身を含む): 35043840

約数和(自身を除く): 14313339

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 103, 107, 171, 209, 309, 321, 627, 927, 963, 1133, 1177, 1881, 1957, 2033, 3399, 3531, 5871, 6099, 10197, 10593, 11021, 17613, 18297, 21527, 22363, 33063, 64581, 67089, 99189, 121231, 193743, 201267, 209399, 363693, 628197, 1091079, 1884591, 2303389, 6910167, 20730501]

約数ペア:

[(1, 20730501), (3, 6910167), (9, 2303389), (11, 1884591), (19, 1091079), (33, 628197), (57, 363693), (99, 209399), (103, 201267), (107, 193743), (171, 121231), (209, 99189), (309, 67089), (321, 64581), (627, 33063), (927, 22363), (963, 21527), (1133, 18297), (1177, 17613), (1881, 11021), (1957, 10593), (2033, 10197), (3399, 6099), (3531, 5871)]