201212580020

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{23896981}}^1$

素因数の和:23897411

約数の個数: 24

約数和(自身を含む): 423550108968

約数和(自身を除く): 222337528948

約数列:

[1, 2, 4, 5, 10, 20, 421, 842, 1684, 2105, 4210, 8420, 23896981, 47793962, 95587924, 119484905, 238969810, 477939620, 10060629001, 20121258002, 40242516004, 50303145005, 100606290010, 201212580020]

約数ペア:

[(1, 201212580020), (2, 100606290010), (4, 50303145005), (5, 40242516004), (10, 20121258002), (20, 10060629001), (421, 477939620), (842, 238969810), (1684, 119484905), (2105, 95587924), (4210, 47793962), (8420, 23896981)]