20471555

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{6701}}^1$

素因数の和:6766

約数の個数: 16

約数和(自身を含む): 27022464

約数和(自身を除く): 6550909

約数列:

[1, 5, 13, 47, 65, 235, 611, 3055, 6701, 33505, 87113, 314947, 435565, 1574735, 4094311, 20471555]

約数ペア:

[(1, 20471555), (5, 4094311), (13, 1574735), (47, 435565), (65, 314947), (235, 87113), (611, 33505), (3055, 6701)]