20601909

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{373}}^1$

素因数の和:434

約数の個数: 36

約数和(自身を含む): 33343596

約数和(自身を除く): 12741687

約数列:

[1, 3, 9, 17, 19, 51, 57, 153, 171, 323, 361, 373, 969, 1083, 1119, 2907, 3249, 3357, 6137, 6341, 7087, 18411, 19023, 21261, 55233, 57069, 63783, 120479, 134653, 361437, 403959, 1084311, 1211877, 2289101, 6867303, 20601909]

約数ペア:

[(1, 20601909), (3, 6867303), (9, 2289101), (17, 1211877), (19, 1084311), (51, 403959), (57, 361437), (153, 134653), (171, 120479), (323, 63783), (361, 57069), (373, 55233), (969, 21261), (1083, 19023), (1119, 18411), (2907, 7087), (3249, 6341), (3357, 6137)]