20290336

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{977}}^1$

素因数の和:1057

約数の個数: 48

約数和(自身を含む): 44362080

約数和(自身を除く): 24071744

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 59, 88, 118, 176, 236, 352, 472, 649, 944, 977, 1298, 1888, 1954, 2596, 3908, 5192, 7816, 10384, 10747, 15632, 20768, 21494, 31264, 42988, 57643, 85976, 115286, 171952, 230572, 343904, 461144, 634073, 922288, 1268146, 1844576, 2536292, 5072584, 10145168, 20290336]

約数ペア:

[(1, 20290336), (2, 10145168), (4, 5072584), (8, 2536292), (11, 1844576), (16, 1268146), (22, 922288), (32, 634073), (44, 461144), (59, 343904), (88, 230572), (118, 171952), (176, 115286), (236, 85976), (352, 57643), (472, 42988), (649, 31264), (944, 21494), (977, 20768), (1298, 15632), (1888, 10747), (1954, 10384), (2596, 7816), (3908, 5192)]