20961874

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{401}}^1\times {\mathrm{443}}^1$

素因数の和:905

約数の個数: 16

約数和(自身を含む): 32127840

約数和(自身を除く): 11165966

約数列:

[1, 2, 59, 118, 401, 443, 802, 886, 23659, 26137, 47318, 52274, 177643, 355286, 10480937, 20961874]

約数ペア:

[(1, 20961874), (2, 10480937), (59, 355286), (118, 177643), (401, 52274), (443, 47318), (802, 26137), (886, 23659)]