20288448

素因数分解:

$2^6\times 3^3\times {\mathrm{59}}^1\times {\mathrm{199}}^1$

素因数の和:279

約数の個数: 112

約数和(自身を含む): 60960000

約数和(自身を除く): 40671552

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 59, 64, 72, 96, 108, 118, 144, 177, 192, 199, 216, 236, 288, 354, 398, 432, 472, 531, 576, 597, 708, 796, 864, 944, 1062, 1194, 1416, 1592, 1593, 1728, 1791, 1888, 2124, 2388, 2832, 3184, 3186, 3582, 3776, 4248, 4776, 5373, 5664, 6368, 6372, 7164, 8496, 9552, 10746, 11328, 11741, 12736, 12744, 14328, 16992, 19104, 21492, 23482, 25488, 28656, 33984, 35223, 38208, 42984, 46964, 50976, 57312, 70446, 85968, 93928, 101952, 105669, 114624, 140892, 171936, 187856, 211338, 281784, 317007, 343872, 375712, 422676, 563568, 634014, 751424, 845352, 1127136, 1268028, 1690704, 2254272, 2536056, 3381408, 5072112, 6762816, 10144224, 20288448]

約数ペア:

[(1, 20288448), (2, 10144224), (3, 6762816), (4, 5072112), (6, 3381408), (8, 2536056), (9, 2254272), (12, 1690704), (16, 1268028), (18, 1127136), (24, 845352), (27, 751424), (32, 634014), (36, 563568), (48, 422676), (54, 375712), (59, 343872), (64, 317007), (72, 281784), (96, 211338), (108, 187856), (118, 171936), (144, 140892), (177, 114624), (192, 105669), (199, 101952), (216, 93928), (236, 85968), (288, 70446), (354, 57312), (398, 50976), (432, 46964), (472, 42984), (531, 38208), (576, 35223), (597, 33984), (708, 28656), (796, 25488), (864, 23482), (944, 21492), (1062, 19104), (1194, 16992), (1416, 14328), (1592, 12744), (1593, 12736), (1728, 11741), (1791, 11328), (1888, 10746), (2124, 9552), (2388, 8496), (2832, 7164), (3184, 6372), (3186, 6368), (3582, 5664), (3776, 5373), (4248, 4776)]