20120895

素因数分解:

$3^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{2341}}^1$

素因数の和:2543

約数の個数: 24

約数和(自身を含む): 35073792

約数和(自身を除く): 14952897

約数列:

[1, 3, 5, 9, 15, 45, 191, 573, 955, 1719, 2341, 2865, 7023, 8595, 11705, 21069, 35115, 105345, 447131, 1341393, 2235655, 4024179, 6706965, 20120895]

約数ペア:

[(1, 20120895), (3, 6706965), (5, 4024179), (9, 2235655), (15, 1341393), (45, 447131), (191, 105345), (573, 35115), (955, 21069), (1719, 11705), (2341, 8595), (2865, 7023)]