20255568

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{241}}^1$

素因数の和:372

約数の個数: 80

約数和(自身を含む): 56174976

約数和(自身を除く): 35919408

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 103, 136, 204, 206, 241, 272, 309, 408, 412, 482, 618, 723, 816, 824, 964, 1236, 1446, 1648, 1751, 1928, 2472, 2892, 3502, 3856, 4097, 4944, 5253, 5784, 7004, 8194, 10506, 11568, 12291, 14008, 16388, 21012, 24582, 24823, 28016, 32776, 42024, 49164, 49646, 65552, 74469, 84048, 98328, 99292, 148938, 196656, 198584, 297876, 397168, 421991, 595752, 843982, 1191504, 1265973, 1687964, 2531946, 3375928, 5063892, 6751856, 10127784, 20255568]

約数ペア:

[(1, 20255568), (2, 10127784), (3, 6751856), (4, 5063892), (6, 3375928), (8, 2531946), (12, 1687964), (16, 1265973), (17, 1191504), (24, 843982), (34, 595752), (48, 421991), (51, 397168), (68, 297876), (102, 198584), (103, 196656), (136, 148938), (204, 99292), (206, 98328), (241, 84048), (272, 74469), (309, 65552), (408, 49646), (412, 49164), (482, 42024), (618, 32776), (723, 28016), (816, 24823), (824, 24582), (964, 21012), (1236, 16388), (1446, 14008), (1648, 12291), (1751, 11568), (1928, 10506), (2472, 8194), (2892, 7004), (3502, 5784), (3856, 5253), (4097, 4944)]