20956485

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{1187}}^1$

素因数の和:1313

約数の個数: 32

約数和(自身を含む): 36951552

約数和(自身を除く): 15995067

約数列:

[1, 3, 5, 11, 15, 33, 55, 107, 165, 321, 535, 1177, 1187, 1605, 3531, 3561, 5885, 5935, 13057, 17655, 17805, 39171, 65285, 127009, 195855, 381027, 635045, 1397099, 1905135, 4191297, 6985495, 20956485]

約数ペア:

[(1, 20956485), (3, 6985495), (5, 4191297), (11, 1905135), (15, 1397099), (33, 635045), (55, 381027), (107, 195855), (165, 127009), (321, 65285), (535, 39171), (1177, 17805), (1187, 17655), (1605, 13057), (3531, 5935), (3561, 5885)]