20995359

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{937}}^1$

素因数の和:1055

約数の個数: 32

約数和(自身を含む): 35298816

約数和(自身を除く): 14303457

約数列:

[1, 3, 7, 11, 21, 33, 77, 97, 231, 291, 679, 937, 1067, 2037, 2811, 3201, 6559, 7469, 10307, 19677, 22407, 30921, 72149, 90889, 216447, 272667, 636223, 999779, 1908669, 2999337, 6998453, 20995359]

約数ペア:

[(1, 20995359), (3, 6998453), (7, 2999337), (11, 1908669), (21, 999779), (33, 636223), (77, 272667), (97, 216447), (231, 90889), (291, 72149), (679, 30921), (937, 22407), (1067, 19677), (2037, 10307), (2811, 7469), (3201, 6559)]