20763730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{159721}}^1$

素因数の和:159741

約数の個数: 16

約数和(自身を含む): 40249944

約数和(自身を除く): 19486214

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 159721, 319442, 798605, 1597210, 2076373, 4152746, 10381865, 20763730]

約数ペア:

[(1, 20763730), (2, 10381865), (5, 4152746), (10, 2076373), (13, 1597210), (26, 798605), (65, 319442), (130, 159721)]