20996712

素因数分解:

$2^3\times 3^3\times {\mathrm{11}}^1\times {\mathrm{8837}}^1$

素因数の和:8863

約数の個数: 64

約数和(自身を含む): 63633600

約数和(自身を除く): 42636888

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 27, 33, 36, 44, 54, 66, 72, 88, 99, 108, 132, 198, 216, 264, 297, 396, 594, 792, 1188, 2376, 8837, 17674, 26511, 35348, 53022, 70696, 79533, 97207, 106044, 159066, 194414, 212088, 238599, 291621, 318132, 388828, 477198, 583242, 636264, 777656, 874863, 954396, 1166484, 1749726, 1908792, 2332968, 2624589, 3499452, 5249178, 6998904, 10498356, 20996712]

約数ペア:

[(1, 20996712), (2, 10498356), (3, 6998904), (4, 5249178), (6, 3499452), (8, 2624589), (9, 2332968), (11, 1908792), (12, 1749726), (18, 1166484), (22, 954396), (24, 874863), (27, 777656), (33, 636264), (36, 583242), (44, 477198), (54, 388828), (66, 318132), (72, 291621), (88, 238599), (99, 212088), (108, 194414), (132, 159066), (198, 106044), (216, 97207), (264, 79533), (297, 70696), (396, 53022), (594, 35348), (792, 26511), (1188, 17674), (2376, 8837)]