20727970

素因数分解:

$2^1\times 5^1\times {\mathrm{443}}^1\times {\mathrm{4679}}^1$

素因数の和:5129

約数の個数: 16

約数和(自身を含む): 37402560

約数和(自身を除く): 16674590

約数列:

[1, 2, 5, 10, 443, 886, 2215, 4430, 4679, 9358, 23395, 46790, 2072797, 4145594, 10363985, 20727970]

約数ペア:

[(1, 20727970), (2, 10363985), (5, 4145594), (10, 2072797), (443, 46790), (886, 23395), (2215, 9358), (4430, 4679)]