20040124

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{2153}}^1$

素因数の和:2349

約数の個数: 24

約数和(自身を含む): 37996560

約数和(自身を除く): 17956436

約数列:

[1, 2, 4, 13, 26, 52, 179, 358, 716, 2153, 2327, 4306, 4654, 8612, 9308, 27989, 55978, 111956, 385387, 770774, 1541548, 5010031, 10020062, 20040124]

約数ペア:

[(1, 20040124), (2, 10020062), (4, 5010031), (13, 1541548), (26, 770774), (52, 385387), (179, 111956), (358, 55978), (716, 27989), (2153, 9308), (2327, 8612), (4306, 4654)]