20175459213

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^2\times {\mathrm{19861}}^1$

素因数の和:20006

約数の個数: 48

約数和(自身を含む): 33661799808

約数和(自身を除く): 13486340595

約数列:

[1, 3, 7, 13, 21, 39, 61, 91, 183, 273, 427, 793, 1281, 2379, 3721, 5551, 11163, 16653, 19861, 26047, 48373, 59583, 78141, 139027, 145119, 258193, 338611, 417081, 774579, 1015833, 1211521, 1807351, 3634563, 5422053, 8480647, 15749773, 25441941, 47249319, 73902781, 110248411, 221708343, 330745233, 517319467, 960736153, 1551958401, 2882208459, 6725153071, 20175459213]

約数ペア:

[(1, 20175459213), (3, 6725153071), (7, 2882208459), (13, 1551958401), (21, 960736153), (39, 517319467), (61, 330745233), (91, 221708343), (183, 110248411), (273, 73902781), (427, 47249319), (793, 25441941), (1281, 15749773), (2379, 8480647), (3721, 5422053), (5551, 3634563), (11163, 1807351), (16653, 1211521), (19861, 1015833), (26047, 774579), (48373, 417081), (59583, 338611), (78141, 258193), (139027, 145119)]