20297175

素因数分解:

$3^1\times 5^2\times {\mathrm{277}}^1\times {\mathrm{977}}^1$

素因数の和:1267

約数の個数: 24

約数和(自身を含む): 33713616

約数和(自身を除く): 13416441

約数列:

[1, 3, 5, 15, 25, 75, 277, 831, 977, 1385, 2931, 4155, 4885, 6925, 14655, 20775, 24425, 73275, 270629, 811887, 1353145, 4059435, 6765725, 20297175]

約数ペア:

[(1, 20297175), (3, 6765725), (5, 4059435), (15, 1353145), (25, 811887), (75, 270629), (277, 73275), (831, 24425), (977, 20775), (1385, 14655), (2931, 6925), (4155, 4885)]