20218191864

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1289}}^1\times {\mathrm{50273}}^1$

素因数の和:51584

約数の個数: 64

約数和(自身を含む): 54476906400

約数和(自身を除く): 34258714536

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 1289, 2578, 3867, 5156, 7734, 10312, 15468, 16757, 30936, 33514, 50271, 50273, 67028, 100542, 100546, 134056, 150819, 201084, 201092, 301638, 402168, 402184, 603276, 653549, 1206552, 1307098, 1960647, 2614196, 3921294, 5228392, 7842588, 15685176, 64801897, 129603794, 194405691, 259207588, 388811382, 518415176, 777622764, 842424661, 1555245528, 1684849322, 2527273983, 3369698644, 5054547966, 6739397288, 10109095932, 20218191864]

約数ペア:

[(1, 20218191864), (2, 10109095932), (3, 6739397288), (4, 5054547966), (6, 3369698644), (8, 2527273983), (12, 1684849322), (13, 1555245528), (24, 842424661), (26, 777622764), (39, 518415176), (52, 388811382), (78, 259207588), (104, 194405691), (156, 129603794), (312, 64801897), (1289, 15685176), (2578, 7842588), (3867, 5228392), (5156, 3921294), (7734, 2614196), (10312, 1960647), (15468, 1307098), (16757, 1206552), (30936, 653549), (33514, 603276), (50271, 402184), (50273, 402168), (67028, 301638), (100542, 201092), (100546, 201084), (134056, 150819)]