20810832

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{257}}^1$

素因数の和:516

約数の個数: 80

約数和(自身を含む): 61936512

約数和(自身を除く): 41125680

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 241, 257, 336, 482, 514, 723, 771, 964, 1028, 1446, 1542, 1687, 1799, 1928, 2056, 2892, 3084, 3374, 3598, 3856, 4112, 5061, 5397, 5784, 6168, 6748, 7196, 10122, 10794, 11568, 12336, 13496, 14392, 20244, 21588, 26992, 28784, 40488, 43176, 61937, 80976, 86352, 123874, 185811, 247748, 371622, 433559, 495496, 743244, 867118, 990992, 1300677, 1486488, 1734236, 2601354, 2972976, 3468472, 5202708, 6936944, 10405416, 20810832]

約数ペア:

[(1, 20810832), (2, 10405416), (3, 6936944), (4, 5202708), (6, 3468472), (7, 2972976), (8, 2601354), (12, 1734236), (14, 1486488), (16, 1300677), (21, 990992), (24, 867118), (28, 743244), (42, 495496), (48, 433559), (56, 371622), (84, 247748), (112, 185811), (168, 123874), (241, 86352), (257, 80976), (336, 61937), (482, 43176), (514, 40488), (723, 28784), (771, 26992), (964, 21588), (1028, 20244), (1446, 14392), (1542, 13496), (1687, 12336), (1799, 11568), (1928, 10794), (2056, 10122), (2892, 7196), (3084, 6748), (3374, 6168), (3598, 5784), (3856, 5397), (4112, 5061)]