20413599

素因数分解:

$3^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1\times {\mathrm{409}}^1$

素因数の和:670

約数の個数: 16

約数和(自身を含む): 27709440

約数和(自身を除く): 7295841

約数列:

[1, 3, 127, 131, 381, 393, 409, 1227, 16637, 49911, 51943, 53579, 155829, 160737, 6804533, 20413599]

約数ペア:

[(1, 20413599), (3, 6804533), (127, 160737), (131, 155829), (381, 53579), (393, 51943), (409, 49911), (1227, 16637)]