20745219

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{36979}}^1$

素因数の和:37010

約数の個数: 16

約数和(自身を含む): 31950720

約数和(自身を除く): 11205501

約数列:

[1, 3, 11, 17, 33, 51, 187, 561, 36979, 110937, 406769, 628643, 1220307, 1885929, 6915073, 20745219]

約数ペア:

[(1, 20745219), (3, 6915073), (11, 1885929), (17, 1220307), (33, 628643), (51, 406769), (187, 110937), (561, 36979)]