20315828

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{733}}^1$

素因数の和:804

約数の個数: 36

約数和(自身を含む): 39490668

約数和(自身を除く): 19174840

約数列:

[1, 2, 4, 13, 26, 41, 52, 82, 164, 169, 338, 533, 676, 733, 1066, 1466, 2132, 2932, 6929, 9529, 13858, 19058, 27716, 30053, 38116, 60106, 120212, 123877, 247754, 390689, 495508, 781378, 1562756, 5078957, 10157914, 20315828]

約数ペア:

[(1, 20315828), (2, 10157914), (4, 5078957), (13, 1562756), (26, 781378), (41, 495508), (52, 390689), (82, 247754), (164, 123877), (169, 120212), (338, 60106), (533, 38116), (676, 30053), (733, 27716), (1066, 19058), (1466, 13858), (2132, 9529), (2932, 6929)]