20199448864

素因数分解:

$2^5\times 7^1\times {\mathrm{139}}^1\times {\mathrm{757}}^1\times {\mathrm{857}}^1$

素因数の和:1770

約数の個数: 96

約数和(自身を含む): 45889683840

約数和(自身を除く): 25690234976

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 139, 224, 278, 556, 757, 857, 973, 1112, 1514, 1714, 1946, 2224, 3028, 3428, 3892, 4448, 5299, 5999, 6056, 6856, 7784, 10598, 11998, 12112, 13712, 15568, 21196, 23996, 24224, 27424, 31136, 42392, 47992, 84784, 95984, 105223, 119123, 169568, 191968, 210446, 238246, 420892, 476492, 648749, 736561, 833861, 841784, 952984, 1297498, 1473122, 1667722, 1683568, 1905968, 2594996, 2946244, 3335444, 3367136, 3811936, 4541243, 5189992, 5892488, 6670888, 9082486, 10379984, 11784976, 13341776, 18164972, 20759968, 23569952, 26683552, 36329944, 72659888, 90176111, 145319776, 180352222, 360704444, 631232777, 721408888, 1262465554, 1442817776, 2524931108, 2885635552, 5049862216, 10099724432, 20199448864]

約数ペア:

[(1, 20199448864), (2, 10099724432), (4, 5049862216), (7, 2885635552), (8, 2524931108), (14, 1442817776), (16, 1262465554), (28, 721408888), (32, 631232777), (56, 360704444), (112, 180352222), (139, 145319776), (224, 90176111), (278, 72659888), (556, 36329944), (757, 26683552), (857, 23569952), (973, 20759968), (1112, 18164972), (1514, 13341776), (1714, 11784976), (1946, 10379984), (2224, 9082486), (3028, 6670888), (3428, 5892488), (3892, 5189992), (4448, 4541243), (5299, 3811936), (5999, 3367136), (6056, 3335444), (6856, 2946244), (7784, 2594996), (10598, 1905968), (11998, 1683568), (12112, 1667722), (13712, 1473122), (15568, 1297498), (21196, 952984), (23996, 841784), (24224, 833861), (27424, 736561), (31136, 648749), (42392, 476492), (47992, 420892), (84784, 238246), (95984, 210446), (105223, 191968), (119123, 169568)]