20347542

素因数分解:

$2^1\times 3^2\times {\mathrm{401}}^1\times {\mathrm{2819}}^1$

素因数の和:3228

約数の個数: 24

約数和(自身を含む): 44211960

約数和(自身を除く): 23864418

約数列:

[1, 2, 3, 6, 9, 18, 401, 802, 1203, 2406, 2819, 3609, 5638, 7218, 8457, 16914, 25371, 50742, 1130419, 2260838, 3391257, 6782514, 10173771, 20347542]

約数ペア:

[(1, 20347542), (2, 10173771), (3, 6782514), (6, 3391257), (9, 2260838), (18, 1130419), (401, 50742), (802, 25371), (1203, 16914), (2406, 8457), (2819, 7218), (3609, 5638)]