20550992

素因数分解:

$2^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{2383}}^1$

素因数の和:2416

約数の個数: 60

約数和(自身を含む): 50550336

約数和(自身を除く): 29999344

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 49, 56, 77, 88, 98, 112, 154, 176, 196, 308, 392, 539, 616, 784, 1078, 1232, 2156, 2383, 4312, 4766, 8624, 9532, 16681, 19064, 26213, 33362, 38128, 52426, 66724, 104852, 116767, 133448, 183491, 209704, 233534, 266896, 366982, 419408, 467068, 733964, 934136, 1284437, 1467928, 1868272, 2568874, 2935856, 5137748, 10275496, 20550992]

約数ペア:

[(1, 20550992), (2, 10275496), (4, 5137748), (7, 2935856), (8, 2568874), (11, 1868272), (14, 1467928), (16, 1284437), (22, 934136), (28, 733964), (44, 467068), (49, 419408), (56, 366982), (77, 266896), (88, 233534), (98, 209704), (112, 183491), (154, 133448), (176, 116767), (196, 104852), (308, 66724), (392, 52426), (539, 38128), (616, 33362), (784, 26213), (1078, 19064), (1232, 16681), (2156, 9532), (2383, 8624), (4312, 4766)]