20443449

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{587}}^1$

素因数の和:669

約数の個数: 32

約数和(自身を含む): 31610880

約数和(自身を除く): 11167431

約数列:

[1, 3, 13, 19, 39, 47, 57, 141, 247, 587, 611, 741, 893, 1761, 1833, 2679, 7631, 11153, 11609, 22893, 27589, 33459, 34827, 82767, 144989, 358657, 434967, 524191, 1075971, 1572573, 6814483, 20443449]

約数ペア:

[(1, 20443449), (3, 6814483), (13, 1572573), (19, 1075971), (39, 524191), (47, 434967), (57, 358657), (141, 144989), (247, 82767), (587, 34827), (611, 33459), (741, 27589), (893, 22893), (1761, 11609), (1833, 11153), (2679, 7631)]