20357007

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{277}}^1$

素因数の和:439

約数の個数: 32

約数和(自身を含む): 31705344

約数和(自身を除く): 11348337

約数列:

[1, 3, 11, 17, 33, 51, 131, 187, 277, 393, 561, 831, 1441, 2227, 3047, 4323, 4709, 6681, 9141, 14127, 24497, 36287, 51799, 73491, 108861, 155397, 399157, 616879, 1197471, 1850637, 6785669, 20357007]

約数ペア:

[(1, 20357007), (3, 6785669), (11, 1850637), (17, 1197471), (33, 616879), (51, 399157), (131, 155397), (187, 108861), (277, 73491), (393, 51799), (561, 36287), (831, 24497), (1441, 14127), (2227, 9141), (3047, 6681), (4323, 4709)]