31304620

素因数分解:

$2^2\times 5^1\times {\mathrm{727}}^1\times {\mathrm{2153}}^1$

素因数の和:2889

約数の個数: 24

約数和(自身を含む): 65860704

約数和(自身を除く): 34556084

約数列:

[1, 2, 4, 5, 10, 20, 727, 1454, 2153, 2908, 3635, 4306, 7270, 8612, 10765, 14540, 21530, 43060, 1565231, 3130462, 6260924, 7826155, 15652310, 31304620]

約数ペア:

[(1, 31304620), (2, 15652310), (4, 7826155), (5, 6260924), (10, 3130462), (20, 1565231), (727, 43060), (1454, 21530), (2153, 14540), (2908, 10765), (3635, 8612), (4306, 7270)]