20820180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{347003}}^1$

素因数の和:347015

約数の個数: 24

約数和(自身を含む): 58296672

約数和(自身を除く): 37476492

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 347003, 694006, 1041009, 1388012, 1735015, 2082018, 3470030, 4164036, 5205045, 6940060, 10410090, 20820180]

約数ペア:

[(1, 20820180), (2, 10410090), (3, 6940060), (4, 5205045), (5, 4164036), (6, 3470030), (10, 2082018), (12, 1735015), (15, 1388012), (20, 1041009), (30, 694006), (60, 347003)]