20123488055

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{859}}^1\times {\mathrm{425939}}^1$

素因数の和:426814

約数の個数: 16

約数和(自身を含む): 26374204800

約数和(自身を除く): 6250716745

約数列:

[1, 5, 11, 55, 859, 4295, 9449, 47245, 425939, 2129695, 4685329, 23426645, 365881601, 1829408005, 4024697611, 20123488055]

約数ペア:

[(1, 20123488055), (5, 4024697611), (11, 1829408005), (55, 365881601), (859, 23426645), (4295, 4685329), (9449, 2129695), (47245, 425939)]