20624880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4523}}^1$

素因数の和:4558

約数の個数: 80

約数和(自身を含む): 67317120

約数和(自身を除く): 46692240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 285, 304, 380, 456, 570, 760, 912, 1140, 1520, 2280, 4523, 4560, 9046, 13569, 18092, 22615, 27138, 36184, 45230, 54276, 67845, 72368, 85937, 90460, 108552, 135690, 171874, 180920, 217104, 257811, 271380, 343748, 361840, 429685, 515622, 542760, 687496, 859370, 1031244, 1085520, 1289055, 1374992, 1718740, 2062488, 2578110, 3437480, 4124976, 5156220, 6874960, 10312440, 20624880]

約数ペア:

[(1, 20624880), (2, 10312440), (3, 6874960), (4, 5156220), (5, 4124976), (6, 3437480), (8, 2578110), (10, 2062488), (12, 1718740), (15, 1374992), (16, 1289055), (19, 1085520), (20, 1031244), (24, 859370), (30, 687496), (38, 542760), (40, 515622), (48, 429685), (57, 361840), (60, 343748), (76, 271380), (80, 257811), (95, 217104), (114, 180920), (120, 171874), (152, 135690), (190, 108552), (228, 90460), (240, 85937), (285, 72368), (304, 67845), (380, 54276), (456, 45230), (570, 36184), (760, 27138), (912, 22615), (1140, 18092), (1520, 13569), (2280, 9046), (4523, 4560)]