20164833

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 33895680

約数和(自身を除く): 13730847

約数列:

[1, 3, 9, 13, 19, 39, 47, 57, 117, 141, 171, 193, 247, 423, 579, 611, 741, 893, 1737, 1833, 2223, 2509, 2679, 3667, 5499, 7527, 8037, 9071, 11001, 11609, 22581, 27213, 33003, 34827, 47671, 81639, 104481, 117923, 143013, 172349, 353769, 429039, 517047, 1061307, 1551141, 2240537, 6721611, 20164833]

約数ペア:

[(1, 20164833), (3, 6721611), (9, 2240537), (13, 1551141), (19, 1061307), (39, 517047), (47, 429039), (57, 353769), (117, 172349), (141, 143013), (171, 117923), (193, 104481), (247, 81639), (423, 47671), (579, 34827), (611, 33003), (741, 27213), (893, 22581), (1737, 11609), (1833, 11001), (2223, 9071), (2509, 8037), (2679, 7527), (3667, 5499)]