20004156

素因数分解:

$2^2\times 3^2\times {\mathrm{555671}}^1$

素因数の和:555681

約数の個数: 18

約数和(自身を含む): 50566152

約数和(自身を除く): 30561996

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 555671, 1111342, 1667013, 2222684, 3334026, 5001039, 6668052, 10002078, 20004156]

約数ペア:

[(1, 20004156), (2, 10002078), (3, 6668052), (4, 5001039), (6, 3334026), (9, 2222684), (12, 1667013), (18, 1111342), (36, 555671)]