20582757

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1$

素因数の和:282

約数の個数: 48

約数和(自身を含む): 34594560

約数和(自身を除く): 14011803

約数列:

[1, 3, 9, 13, 19, 39, 47, 57, 117, 141, 171, 197, 247, 423, 591, 611, 741, 893, 1773, 1833, 2223, 2561, 2679, 3743, 5499, 7683, 8037, 9259, 11229, 11609, 23049, 27777, 33687, 34827, 48659, 83331, 104481, 120367, 145977, 175921, 361101, 437931, 527763, 1083303, 1583289, 2286973, 6860919, 20582757]

約数ペア:

[(1, 20582757), (3, 6860919), (9, 2286973), (13, 1583289), (19, 1083303), (39, 527763), (47, 437931), (57, 361101), (117, 175921), (141, 145977), (171, 120367), (197, 104481), (247, 83331), (423, 48659), (591, 34827), (611, 33687), (741, 27777), (893, 23049), (1773, 11609), (1833, 11229), (2223, 9259), (2561, 8037), (2679, 7683), (3743, 5499)]