20065287

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{761}}^1$

素因数の和:839

約数の個数: 32

約数和(自身を含む): 31601664

約数和(自身を除く): 11536377

約数列:

[1, 3, 11, 17, 33, 47, 51, 141, 187, 517, 561, 761, 799, 1551, 2283, 2397, 8371, 8789, 12937, 25113, 26367, 35767, 38811, 107301, 142307, 393437, 426921, 608039, 1180311, 1824117, 6688429, 20065287]

約数ペア:

[(1, 20065287), (3, 6688429), (11, 1824117), (17, 1180311), (33, 608039), (47, 426921), (51, 393437), (141, 142307), (187, 107301), (517, 38811), (561, 35767), (761, 26367), (799, 25113), (1551, 12937), (2283, 8789), (2397, 8371)]