20767758

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{13681}}^1$

素因数の和:13720

約数の個数: 32

約数和(自身を含む): 47284992

約数和(自身を除く): 26517234

約数列:

[1, 2, 3, 6, 11, 22, 23, 33, 46, 66, 69, 138, 253, 506, 759, 1518, 13681, 27362, 41043, 82086, 150491, 300982, 314663, 451473, 629326, 902946, 943989, 1887978, 3461293, 6922586, 10383879, 20767758]

約数ペア:

[(1, 20767758), (2, 10383879), (3, 6922586), (6, 3461293), (11, 1887978), (22, 943989), (23, 902946), (33, 629326), (46, 451473), (66, 314663), (69, 300982), (138, 150491), (253, 82086), (506, 41043), (759, 27362), (1518, 13681)]