20412777

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{911}}^1$

素因数の和:1029

約数の個数: 32

約数和(自身を含む): 34320384

約数和(自身を除く): 13907607

約数列:

[1, 3, 7, 11, 21, 33, 77, 97, 231, 291, 679, 911, 1067, 2037, 2733, 3201, 6377, 7469, 10021, 19131, 22407, 30063, 70147, 88367, 210441, 265101, 618569, 972037, 1855707, 2916111, 6804259, 20412777]

約数ペア:

[(1, 20412777), (3, 6804259), (7, 2916111), (11, 1855707), (21, 972037), (33, 618569), (77, 265101), (97, 210441), (231, 88367), (291, 70147), (679, 30063), (911, 22407), (1067, 19131), (2037, 10021), (2733, 7469), (3201, 6377)]