20147049

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{53}}^1$

素因数の和:116

約数の個数: 60

約数和(自身を含む): 34852356

約数和(自身を除く): 14705307

約数列:

[1, 3, 9, 13, 19, 27, 39, 53, 57, 81, 117, 159, 171, 247, 351, 361, 477, 513, 689, 741, 1007, 1053, 1083, 1431, 1539, 2067, 2223, 3021, 3249, 4293, 4693, 6201, 6669, 9063, 9747, 13091, 14079, 18603, 19133, 20007, 27189, 29241, 39273, 42237, 55809, 57399, 81567, 117819, 126711, 172197, 248729, 353457, 380133, 516591, 746187, 1060371, 1549773, 2238561, 6715683, 20147049]

約数ペア:

[(1, 20147049), (3, 6715683), (9, 2238561), (13, 1549773), (19, 1060371), (27, 746187), (39, 516591), (53, 380133), (57, 353457), (81, 248729), (117, 172197), (159, 126711), (171, 117819), (247, 81567), (351, 57399), (361, 55809), (477, 42237), (513, 39273), (689, 29241), (741, 27189), (1007, 20007), (1053, 19133), (1083, 18603), (1431, 14079), (1539, 13091), (2067, 9747), (2223, 9063), (3021, 6669), (3249, 6201), (4293, 4693)]