20822008

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{283}}^1\times {\mathrm{541}}^1$

素因数の和:847

約数の個数: 32

約数和(自身を含む): 41560560

約数和(自身を除く): 20738552

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 283, 541, 566, 1082, 1132, 2164, 2264, 4328, 4811, 9197, 9622, 18394, 19244, 36788, 38488, 73576, 153103, 306206, 612412, 1224824, 2602751, 5205502, 10411004, 20822008]

約数ペア:

[(1, 20822008), (2, 10411004), (4, 5205502), (8, 2602751), (17, 1224824), (34, 612412), (68, 306206), (136, 153103), (283, 73576), (541, 38488), (566, 36788), (1082, 19244), (1132, 18394), (2164, 9622), (2264, 9197), (4328, 4811)]