20102870

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{18443}}^1$

素因数の和:18559

約数の個数: 16

約数和(自身を含む): 36519120

約数和(自身を除く): 16416250

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 18443, 36886, 92215, 184430, 2010287, 4020574, 10051435, 20102870]

約数ペア:

[(1, 20102870), (2, 10051435), (5, 4020574), (10, 2010287), (109, 184430), (218, 92215), (545, 36886), (1090, 18443)]