20407695

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17669}}^1$

素因数の和:17695

約数の個数: 32

約数和(自身を含む): 40711680

約数和(自身を除く): 20303985

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 231, 385, 1155, 17669, 53007, 88345, 123683, 194359, 265035, 371049, 583077, 618415, 971795, 1360513, 1855245, 2915385, 4081539, 6802565, 20407695]

約数ペア:

[(1, 20407695), (3, 6802565), (5, 4081539), (7, 2915385), (11, 1855245), (15, 1360513), (21, 971795), (33, 618415), (35, 583077), (55, 371049), (77, 265035), (105, 194359), (165, 123683), (231, 88345), (385, 53007), (1155, 17669)]