20749818

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{2837}}^1$

素因数の和:2918

約数の個数: 32

約数和(自身を含む): 44136576

約数和(自身を除く): 23386758

約数列:

[1, 2, 3, 6, 23, 46, 53, 69, 106, 138, 159, 318, 1219, 2438, 2837, 3657, 5674, 7314, 8511, 17022, 65251, 130502, 150361, 195753, 300722, 391506, 451083, 902166, 3458303, 6916606, 10374909, 20749818]

約数ペア:

[(1, 20749818), (2, 10374909), (3, 6916606), (6, 3458303), (23, 902166), (46, 451083), (53, 391506), (69, 300722), (106, 195753), (138, 150361), (159, 130502), (318, 65251), (1219, 17022), (2438, 8511), (2837, 7314), (3657, 5674)]