20096620

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{7229}}^1$

素因数の和:7377

約数の個数: 24

約数和(自身を含む): 42512400

約数和(自身を除く): 22415780

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 7229, 14458, 28916, 36145, 72290, 144580, 1004831, 2009662, 4019324, 5024155, 10048310, 20096620]

約数ペア:

[(1, 20096620), (2, 10048310), (4, 5024155), (5, 4019324), (10, 2009662), (20, 1004831), (139, 144580), (278, 72290), (556, 36145), (695, 28916), (1390, 14458), (2780, 7229)]