20407818

素因数分解:

$2^1\times 3^1\times {\mathrm{1109}}^1\times {\mathrm{3067}}^1$

素因数の和:4181

約数の個数: 16

約数和(自身を含む): 40865760

約数和(自身を除く): 20457942

約数列:

[1, 2, 3, 6, 1109, 2218, 3067, 3327, 6134, 6654, 9201, 18402, 3401303, 6802606, 10203909, 20407818]

約数ペア:

[(1, 20407818), (2, 10203909), (3, 6802606), (6, 3401303), (1109, 18402), (2218, 9201), (3067, 6654), (3327, 6134)]