20480865

素因数分解:

$3^1\times 5^1\times {\mathrm{941}}^1\times {\mathrm{1451}}^1$

素因数の和:2400

約数の個数: 16

約数和(自身を含む): 32826816

約数和(自身を除く): 12345951

約数列:

[1, 3, 5, 15, 941, 1451, 2823, 4353, 4705, 7255, 14115, 21765, 1365391, 4096173, 6826955, 20480865]

約数ペア:

[(1, 20480865), (3, 6826955), (5, 4096173), (15, 1365391), (941, 21765), (1451, 14115), (2823, 7255), (4353, 4705)]