20799844

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{1061}}^1$

素因数の和:1120

約数の個数: 36

約数和(自身を含む): 40812660

約数和(自身を除く): 20012816

約数列:

[1, 2, 4, 13, 26, 29, 52, 58, 116, 169, 338, 377, 676, 754, 1061, 1508, 2122, 4244, 4901, 9802, 13793, 19604, 27586, 30769, 55172, 61538, 123076, 179309, 358618, 399997, 717236, 799994, 1599988, 5199961, 10399922, 20799844]

約数ペア:

[(1, 20799844), (2, 10399922), (4, 5199961), (13, 1599988), (26, 799994), (29, 717236), (52, 399997), (58, 358618), (116, 179309), (169, 123076), (338, 61538), (377, 55172), (676, 30769), (754, 27586), (1061, 19604), (1508, 13793), (2122, 9802), (4244, 4901)]