20280596

素因数分解:

$2^2\times 7^1\times {\mathrm{509}}^1\times {\mathrm{1423}}^1$

素因数の和:1943

約数の個数: 24

約数和(自身を含む): 40669440

約数和(自身を除く): 20388844

約数列:

[1, 2, 4, 7, 14, 28, 509, 1018, 1423, 2036, 2846, 3563, 5692, 7126, 9961, 14252, 19922, 39844, 724307, 1448614, 2897228, 5070149, 10140298, 20280596]

約数ペア:

[(1, 20280596), (2, 10140298), (4, 5070149), (7, 2897228), (14, 1448614), (28, 724307), (509, 39844), (1018, 19922), (1423, 14252), (2036, 9961), (2846, 7126), (3563, 5692)]