20408595

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{19163}}^1$

素因数の和:19242

約数の個数: 16

約数和(自身を含む): 33115392

約数和(自身を除く): 12706797

約数列:

[1, 3, 5, 15, 71, 213, 355, 1065, 19163, 57489, 95815, 287445, 1360573, 4081719, 6802865, 20408595]

約数ペア:

[(1, 20408595), (3, 6802865), (5, 4081719), (15, 1360573), (71, 287445), (213, 95815), (355, 57489), (1065, 19163)]