20120803988

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{1009}}^1\times {\mathrm{45737}}^1$

素因数の和:46859

約数の個数: 24

約数和(自身を含む): 35570442600

約数和(自身を除く): 15449638612

約数列:

[1, 2, 4, 109, 218, 436, 1009, 2018, 4036, 45737, 91474, 109981, 182948, 219962, 439924, 4985333, 9970666, 19941332, 46148633, 92297266, 184594532, 5030200997, 10060401994, 20120803988]

約数ペア:

[(1, 20120803988), (2, 10060401994), (4, 5030200997), (109, 184594532), (218, 92297266), (436, 46148633), (1009, 19941332), (2018, 9970666), (4036, 4985333), (45737, 439924), (91474, 219962), (109981, 182948)]