20045810

素因数分解:

$2^1\times 5^1\times {\mathrm{431}}^1\times {\mathrm{4651}}^1$

素因数の和:5089

約数の個数: 16

約数和(自身を含む): 36173952

約数和(自身を除く): 16128142

約数列:

[1, 2, 5, 10, 431, 862, 2155, 4310, 4651, 9302, 23255, 46510, 2004581, 4009162, 10022905, 20045810]

約数ペア:

[(1, 20045810), (2, 10022905), (5, 4009162), (10, 2004581), (431, 46510), (862, 23255), (2155, 9302), (4310, 4651)]