20849722

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{2027}}^1$

素因数の和:2205

約数の個数: 16

約数和(自身を含む): 32366880

約数和(自身を除く): 11517158

約数列:

[1, 2, 37, 74, 139, 278, 2027, 4054, 5143, 10286, 74999, 149998, 281753, 563506, 10424861, 20849722]

約数ペア:

[(1, 20849722), (2, 10424861), (37, 563506), (74, 281753), (139, 149998), (278, 74999), (2027, 10286), (4054, 5143)]