20814035

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{197}}^1$

素因数の和:343

約数の個数: 32

約数和(自身を含む): 29253312

約数和(自身を除く): 8439277

約数列:

[1, 5, 11, 17, 55, 85, 113, 187, 197, 565, 935, 985, 1243, 1921, 2167, 3349, 6215, 9605, 10835, 16745, 21131, 22261, 36839, 105655, 111305, 184195, 244871, 378437, 1224355, 1892185, 4162807, 20814035]

約数ペア:

[(1, 20814035), (5, 4162807), (11, 1892185), (17, 1224355), (55, 378437), (85, 244871), (113, 184195), (187, 111305), (197, 105655), (565, 36839), (935, 22261), (985, 21131), (1243, 16745), (1921, 10835), (2167, 9605), (3349, 6215)]