20706948

素因数分解:

$2^2\times 3^3\times {\mathrm{109}}^1\times {\mathrm{1759}}^1$

素因数の和:1881

約数の個数: 48

約数和(自身を含む): 54208000

約数和(自身を除く): 33501052

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 109, 218, 327, 436, 654, 981, 1308, 1759, 1962, 2943, 3518, 3924, 5277, 5886, 7036, 10554, 11772, 15831, 21108, 31662, 47493, 63324, 94986, 189972, 191731, 383462, 575193, 766924, 1150386, 1725579, 2300772, 3451158, 5176737, 6902316, 10353474, 20706948]

約数ペア:

[(1, 20706948), (2, 10353474), (3, 6902316), (4, 5176737), (6, 3451158), (9, 2300772), (12, 1725579), (18, 1150386), (27, 766924), (36, 575193), (54, 383462), (108, 191731), (109, 189972), (218, 94986), (327, 63324), (436, 47493), (654, 31662), (981, 21108), (1308, 15831), (1759, 11772), (1962, 10554), (2943, 7036), (3518, 5886), (3924, 5277)]