20288736

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{5419}}^1$

素因数の和:5448

約数の個数: 72

約数和(自身を含む): 62145720

約数和(自身を除く): 41856984

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 104, 117, 144, 156, 208, 234, 288, 312, 416, 468, 624, 936, 1248, 1872, 3744, 5419, 10838, 16257, 21676, 32514, 43352, 48771, 65028, 70447, 86704, 97542, 130056, 140894, 173408, 195084, 211341, 260112, 281788, 390168, 422682, 520224, 563576, 634023, 780336, 845364, 1127152, 1268046, 1560672, 1690728, 2254304, 2536092, 3381456, 5072184, 6762912, 10144368, 20288736]

約数ペア:

[(1, 20288736), (2, 10144368), (3, 6762912), (4, 5072184), (6, 3381456), (8, 2536092), (9, 2254304), (12, 1690728), (13, 1560672), (16, 1268046), (18, 1127152), (24, 845364), (26, 780336), (32, 634023), (36, 563576), (39, 520224), (48, 422682), (52, 390168), (72, 281788), (78, 260112), (96, 211341), (104, 195084), (117, 173408), (144, 140894), (156, 130056), (208, 97542), (234, 86704), (288, 70447), (312, 65028), (416, 48771), (468, 43352), (624, 32514), (936, 21676), (1248, 16257), (1872, 10838), (3744, 5419)]