20097555

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{31159}}^1$

素因数の和:31210

約数の個数: 16

約数和(自身を含む): 32904960

約数和(自身を除く): 12807405

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 31159, 93477, 155795, 467385, 1339837, 4019511, 6699185, 20097555]

約数ペア:

[(1, 20097555), (3, 6699185), (5, 4019511), (15, 1339837), (43, 467385), (129, 155795), (215, 93477), (645, 31159)]