20874216

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{2137}}^1$

素因数の和:2194

約数の個数: 64

約数和(自身を含む): 58495680

約数和(自身を除く): 37621464

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 37, 44, 66, 74, 88, 111, 132, 148, 222, 264, 296, 407, 444, 814, 888, 1221, 1628, 2137, 2442, 3256, 4274, 4884, 6411, 8548, 9768, 12822, 17096, 23507, 25644, 47014, 51288, 70521, 79069, 94028, 141042, 158138, 188056, 237207, 282084, 316276, 474414, 564168, 632552, 869759, 948828, 1739518, 1897656, 2609277, 3479036, 5218554, 6958072, 10437108, 20874216]

約数ペア:

[(1, 20874216), (2, 10437108), (3, 6958072), (4, 5218554), (6, 3479036), (8, 2609277), (11, 1897656), (12, 1739518), (22, 948828), (24, 869759), (33, 632552), (37, 564168), (44, 474414), (66, 316276), (74, 282084), (88, 237207), (111, 188056), (132, 158138), (148, 141042), (222, 94028), (264, 79069), (296, 70521), (407, 51288), (444, 47014), (814, 25644), (888, 23507), (1221, 17096), (1628, 12822), (2137, 9768), (2442, 8548), (3256, 6411), (4274, 4884)]