20958039

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{1361}}^1$

素因数の和:1455

約数の個数: 24

約数和(自身を含む): 31870800

約数和(自身を除く): 10912761

約数列:

[1, 3, 9, 29, 59, 87, 177, 261, 531, 1361, 1711, 4083, 5133, 12249, 15399, 39469, 80299, 118407, 240897, 355221, 722691, 2328671, 6986013, 20958039]

約数ペア:

[(1, 20958039), (3, 6986013), (9, 2328671), (29, 722691), (59, 355221), (87, 240897), (177, 118407), (261, 80299), (531, 39469), (1361, 15399), (1711, 12249), (4083, 5133)]