20545656

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1361}}^1$

素因数の和:1424

約数の個数: 64

約数和(自身を含む): 55896480

約数和(自身を除く): 35350824

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 37, 51, 68, 74, 102, 111, 136, 148, 204, 222, 296, 408, 444, 629, 888, 1258, 1361, 1887, 2516, 2722, 3774, 4083, 5032, 5444, 7548, 8166, 10888, 15096, 16332, 23137, 32664, 46274, 50357, 69411, 92548, 100714, 138822, 151071, 185096, 201428, 277644, 302142, 402856, 555288, 604284, 856069, 1208568, 1712138, 2568207, 3424276, 5136414, 6848552, 10272828, 20545656]

約数ペア:

[(1, 20545656), (2, 10272828), (3, 6848552), (4, 5136414), (6, 3424276), (8, 2568207), (12, 1712138), (17, 1208568), (24, 856069), (34, 604284), (37, 555288), (51, 402856), (68, 302142), (74, 277644), (102, 201428), (111, 185096), (136, 151071), (148, 138822), (204, 100714), (222, 92548), (296, 69411), (408, 50357), (444, 46274), (629, 32664), (888, 23137), (1258, 16332), (1361, 15096), (1887, 10888), (2516, 8166), (2722, 7548), (3774, 5444), (4083, 5032)]