20993454

素因数分解:

$2^1\times 3^2\times {\mathrm{751}}^1\times {\mathrm{1553}}^1$

素因数の和:2312

約数の個数: 24

約数和(自身を含む): 45575712

約数和(自身を除く): 24582258

約数列:

[1, 2, 3, 6, 9, 18, 751, 1502, 1553, 2253, 3106, 4506, 4659, 6759, 9318, 13518, 13977, 27954, 1166303, 2332606, 3498909, 6997818, 10496727, 20993454]

約数ペア:

[(1, 20993454), (2, 10496727), (3, 6997818), (6, 3498909), (9, 2332606), (18, 1166303), (751, 27954), (1502, 13977), (1553, 13518), (2253, 9318), (3106, 6759), (4506, 4659)]