20163947224

素因数分解:

$2^3\times {\mathrm{223}}^1\times {\mathrm{547}}^1\times {\mathrm{20663}}^1$

素因数の和:21439

約数の個数: 32

約数和(自身を含む): 38048209920

約数和(自身を除く): 17884262696

約数列:

[1, 2, 4, 8, 223, 446, 547, 892, 1094, 1784, 2188, 4376, 20663, 41326, 82652, 121981, 165304, 243962, 487924, 975848, 4607849, 9215698, 11302661, 18431396, 22605322, 36862792, 45210644, 90421288, 2520493403, 5040986806, 10081973612, 20163947224]

約数ペア:

[(1, 20163947224), (2, 10081973612), (4, 5040986806), (8, 2520493403), (223, 90421288), (446, 45210644), (547, 36862792), (892, 22605322), (1094, 18431396), (1784, 11302661), (2188, 9215698), (4376, 4607849), (20663, 975848), (41326, 487924), (82652, 243962), (121981, 165304)]