20930115

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:184

約数の個数: 64

約数和(自身を含む): 38338560

約数和(自身を除く): 17408445

約数列:

[1, 3, 5, 15, 19, 23, 31, 57, 69, 93, 95, 103, 115, 155, 285, 309, 345, 437, 465, 515, 589, 713, 1311, 1545, 1767, 1957, 2139, 2185, 2369, 2945, 3193, 3565, 5871, 6555, 7107, 8835, 9579, 9785, 10695, 11845, 13547, 15965, 29355, 35535, 40641, 45011, 47895, 60667, 67735, 73439, 135033, 182001, 203205, 220317, 225055, 303335, 367195, 675165, 910005, 1101585, 1395341, 4186023, 6976705, 20930115]

約数ペア:

[(1, 20930115), (3, 6976705), (5, 4186023), (15, 1395341), (19, 1101585), (23, 910005), (31, 675165), (57, 367195), (69, 303335), (93, 225055), (95, 220317), (103, 203205), (115, 182001), (155, 135033), (285, 73439), (309, 67735), (345, 60667), (437, 47895), (465, 45011), (515, 40641), (589, 35535), (713, 29355), (1311, 15965), (1545, 13547), (1767, 11845), (1957, 10695), (2139, 9785), (2185, 9579), (2369, 8835), (2945, 7107), (3193, 6555), (3565, 5871)]