20264566

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^2\times {\mathrm{389}}^1$

素因数の和:520

約数の個数: 24

約数和(自身を含む): 35408880

約数和(自身を除く): 15144314

約数列:

[1, 2, 7, 14, 61, 122, 389, 427, 778, 854, 2723, 3721, 5446, 7442, 23729, 26047, 47458, 52094, 166103, 332206, 1447469, 2894938, 10132283, 20264566]

約数ペア:

[(1, 20264566), (2, 10132283), (7, 2894938), (14, 1447469), (61, 332206), (122, 166103), (389, 52094), (427, 47458), (778, 26047), (854, 23729), (2723, 7442), (3721, 5446)]