20617860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{343631}}^1$

素因数の和:343643

約数の個数: 24

約数和(自身を含む): 57730176

約数和(自身を除く): 37112316

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 343631, 687262, 1030893, 1374524, 1718155, 2061786, 3436310, 4123572, 5154465, 6872620, 10308930, 20617860]

約数ペア:

[(1, 20617860), (2, 10308930), (3, 6872620), (4, 5154465), (5, 4123572), (6, 3436310), (10, 2061786), (12, 1718155), (15, 1374524), (20, 1030893), (30, 687262), (60, 343631)]