20574522

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{947}}^1$

素因数の和:1043

約数の個数: 48

約数和(自身を含む): 47915712

約数和(自身を除く): 27341190

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 71, 102, 142, 153, 213, 306, 426, 639, 947, 1207, 1278, 1894, 2414, 2841, 3621, 5682, 7242, 8523, 10863, 16099, 17046, 21726, 32198, 48297, 67237, 96594, 134474, 144891, 201711, 289782, 403422, 605133, 1143029, 1210266, 2286058, 3429087, 6858174, 10287261, 20574522]

約数ペア:

[(1, 20574522), (2, 10287261), (3, 6858174), (6, 3429087), (9, 2286058), (17, 1210266), (18, 1143029), (34, 605133), (51, 403422), (71, 289782), (102, 201711), (142, 144891), (153, 134474), (213, 96594), (306, 67237), (426, 48297), (639, 32198), (947, 21726), (1207, 17046), (1278, 16099), (1894, 10863), (2414, 8523), (2841, 7242), (3621, 5682)]