20252817

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:222

約数の個数: 48

約数和(自身を含む): 33546240

約数和(自身を除く): 13293423

約数列:

[1, 3, 9, 13, 29, 39, 47, 87, 117, 127, 141, 261, 377, 381, 423, 611, 1131, 1143, 1363, 1651, 1833, 3393, 3683, 4089, 4953, 5499, 5969, 11049, 12267, 14859, 17719, 17907, 33147, 47879, 53157, 53721, 77597, 143637, 159471, 173101, 232791, 430911, 519303, 698373, 1557909, 2250313, 6750939, 20252817]

約数ペア:

[(1, 20252817), (3, 6750939), (9, 2250313), (13, 1557909), (29, 698373), (39, 519303), (47, 430911), (87, 232791), (117, 173101), (127, 159471), (141, 143637), (261, 77597), (377, 53721), (381, 53157), (423, 47879), (611, 33147), (1131, 17907), (1143, 17719), (1363, 14859), (1651, 12267), (1833, 11049), (3393, 5969), (3683, 5499), (4089, 4953)]