20051416

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{757}}^1$

素因数の和:824

約数の個数: 64

約数和(自身を含む): 48026880

約数和(自身を除く): 27975464

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 43, 44, 56, 77, 86, 88, 154, 172, 301, 308, 344, 473, 602, 616, 757, 946, 1204, 1514, 1892, 2408, 3028, 3311, 3784, 5299, 6056, 6622, 8327, 10598, 13244, 16654, 21196, 26488, 32551, 33308, 42392, 58289, 65102, 66616, 116578, 130204, 227857, 233156, 260408, 358061, 455714, 466312, 716122, 911428, 1432244, 1822856, 2506427, 2864488, 5012854, 10025708, 20051416]

約数ペア:

[(1, 20051416), (2, 10025708), (4, 5012854), (7, 2864488), (8, 2506427), (11, 1822856), (14, 1432244), (22, 911428), (28, 716122), (43, 466312), (44, 455714), (56, 358061), (77, 260408), (86, 233156), (88, 227857), (154, 130204), (172, 116578), (301, 66616), (308, 65102), (344, 58289), (473, 42392), (602, 33308), (616, 32551), (757, 26488), (946, 21196), (1204, 16654), (1514, 13244), (1892, 10598), (2408, 8327), (3028, 6622), (3311, 6056), (3784, 5299)]