20766459

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{271}}^1$

素因数の和:411

約数の個数: 32

約数和(自身を含む): 32901120

約数和(自身を除く): 12134661

約数列:

[1, 3, 7, 21, 41, 89, 123, 267, 271, 287, 623, 813, 861, 1869, 1897, 3649, 5691, 10947, 11111, 24119, 25543, 33333, 72357, 76629, 77777, 168833, 233331, 506499, 988879, 2966637, 6922153, 20766459]

約数ペア:

[(1, 20766459), (3, 6922153), (7, 2966637), (21, 988879), (41, 506499), (89, 233331), (123, 168833), (267, 77777), (271, 76629), (287, 72357), (623, 33333), (813, 25543), (861, 24119), (1869, 11111), (1897, 10947), (3649, 5691)]