20964328

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{34033}}^1$

素因数の和:34057

約数の個数: 32

約数和(自身を含む): 49008960

約数和(自身を除く): 28044632

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 308, 616, 34033, 68066, 136132, 238231, 272264, 374363, 476462, 748726, 952924, 1497452, 1905848, 2620541, 2994904, 5241082, 10482164, 20964328]

約数ペア:

[(1, 20964328), (2, 10482164), (4, 5241082), (7, 2994904), (8, 2620541), (11, 1905848), (14, 1497452), (22, 952924), (28, 748726), (44, 476462), (56, 374363), (77, 272264), (88, 238231), (154, 136132), (308, 68066), (616, 34033)]