20164222017

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1660837}}^1$

素因数の和:1660933

約数の個数: 24

約数和(自身を含む): 31090887360

約数和(自身を除く): 10926665343

約数列:

[1, 3, 9, 19, 57, 71, 171, 213, 639, 1349, 4047, 12141, 1660837, 4982511, 14947533, 31555903, 94667709, 117919427, 284003127, 353758281, 1061274843, 2240469113, 6721407339, 20164222017]

約数ペア:

[(1, 20164222017), (3, 6721407339), (9, 2240469113), (19, 1061274843), (57, 353758281), (71, 284003127), (171, 117919427), (213, 94667709), (639, 31555903), (1349, 14947533), (4047, 4982511), (12141, 1660837)]