20901177

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{1129}}^1$

素因数の和:1174

約数の個数: 36

約数和(自身を含む): 35167860

約数和(自身を除く): 14266683

約数列:

[1, 3, 9, 11, 17, 33, 51, 99, 121, 153, 187, 363, 561, 1089, 1129, 1683, 2057, 3387, 6171, 10161, 12419, 18513, 19193, 37257, 57579, 111771, 136609, 172737, 211123, 409827, 633369, 1229481, 1900107, 2322353, 6967059, 20901177]

約数ペア:

[(1, 20901177), (3, 6967059), (9, 2322353), (11, 1900107), (17, 1229481), (33, 633369), (51, 409827), (99, 211123), (121, 172737), (153, 136609), (187, 111771), (363, 57579), (561, 37257), (1089, 19193), (1129, 18513), (1683, 12419), (2057, 10161), (3387, 6171)]