20437912

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{6277}}^1$

素因数の和:6331

約数の個数: 32

約数和(自身を含む): 42941520

約数和(自身を除く): 22503608

約数列:

[1, 2, 4, 8, 11, 22, 37, 44, 74, 88, 148, 296, 407, 814, 1628, 3256, 6277, 12554, 25108, 50216, 69047, 138094, 232249, 276188, 464498, 552376, 928996, 1857992, 2554739, 5109478, 10218956, 20437912]

約数ペア:

[(1, 20437912), (2, 10218956), (4, 5109478), (8, 2554739), (11, 1857992), (22, 928996), (37, 552376), (44, 464498), (74, 276188), (88, 232249), (148, 138094), (296, 69047), (407, 50216), (814, 25108), (1628, 12554), (3256, 6277)]