20157135

素因数分解:

$3^1\times 5^1\times {\mathrm{829}}^1\times {\mathrm{1621}}^1$

素因数の和:2458

約数の個数: 16

約数和(自身を含む): 32310240

約数和(自身を除く): 12153105

約数列:

[1, 3, 5, 15, 829, 1621, 2487, 4145, 4863, 8105, 12435, 24315, 1343809, 4031427, 6719045, 20157135]

約数ペア:

[(1, 20157135), (3, 6719045), (5, 4031427), (15, 1343809), (829, 24315), (1621, 12435), (2487, 8105), (4145, 4863)]