20935068

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1$

素因数の和:327

約数の個数: 96

約数和(自身を含む): 61716480

約数和(自身を除く): 40781412

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 132, 139, 154, 163, 231, 278, 308, 326, 417, 462, 489, 556, 652, 834, 924, 973, 978, 1141, 1529, 1668, 1793, 1946, 1956, 2282, 2919, 3058, 3423, 3586, 3892, 4564, 4587, 5379, 5838, 6116, 6846, 7172, 9174, 10703, 10758, 11676, 12551, 13692, 18348, 21406, 21516, 22657, 25102, 32109, 37653, 42812, 45314, 50204, 64218, 67971, 75306, 90628, 128436, 135942, 150612, 158599, 249227, 271884, 317198, 475797, 498454, 634396, 747681, 951594, 996908, 1495362, 1744589, 1903188, 2990724, 3489178, 5233767, 6978356, 10467534, 20935068]

約数ペア:

[(1, 20935068), (2, 10467534), (3, 6978356), (4, 5233767), (6, 3489178), (7, 2990724), (11, 1903188), (12, 1744589), (14, 1495362), (21, 996908), (22, 951594), (28, 747681), (33, 634396), (42, 498454), (44, 475797), (66, 317198), (77, 271884), (84, 249227), (132, 158599), (139, 150612), (154, 135942), (163, 128436), (231, 90628), (278, 75306), (308, 67971), (326, 64218), (417, 50204), (462, 45314), (489, 42812), (556, 37653), (652, 32109), (834, 25102), (924, 22657), (973, 21516), (978, 21406), (1141, 18348), (1529, 13692), (1668, 12551), (1793, 11676), (1946, 10758), (1956, 10703), (2282, 9174), (2919, 7172), (3058, 6846), (3423, 6116), (3586, 5838), (3892, 5379), (4564, 4587)]