20020236445

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1039}}^1\times {\mathrm{18439}}^1$

素因数の和:19513

約数の個数: 32

約数和(自身を含む): 27615744000

約数和(自身を除く): 7595507555

約数列:

[1, 5, 11, 19, 55, 95, 209, 1039, 1045, 5195, 11429, 18439, 19741, 57145, 92195, 98705, 202829, 217151, 350341, 1014145, 1085755, 1751705, 3853751, 19158121, 19268755, 95790605, 210739331, 364004299, 1053696655, 1820021495, 4004047289, 20020236445]

約数ペア:

[(1, 20020236445), (5, 4004047289), (11, 1820021495), (19, 1053696655), (55, 364004299), (95, 210739331), (209, 95790605), (1039, 19268755), (1045, 19158121), (5195, 3853751), (11429, 1751705), (18439, 1085755), (19741, 1014145), (57145, 350341), (92195, 217151), (98705, 202829)]