20580318

素因数分解:

$2^1\times 3^4\times {\mathrm{11}}^1\times {\mathrm{11549}}^1$

素因数の和:11574

約数の個数: 40

約数和(自身を含む): 50311800

約数和(自身を除く): 29731482

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 54, 66, 81, 99, 162, 198, 297, 594, 891, 1782, 11549, 23098, 34647, 69294, 103941, 127039, 207882, 254078, 311823, 381117, 623646, 762234, 935469, 1143351, 1870938, 2286702, 3430053, 6860106, 10290159, 20580318]

約数ペア:

[(1, 20580318), (2, 10290159), (3, 6860106), (6, 3430053), (9, 2286702), (11, 1870938), (18, 1143351), (22, 935469), (27, 762234), (33, 623646), (54, 381117), (66, 311823), (81, 254078), (99, 207882), (162, 127039), (198, 103941), (297, 69294), (594, 34647), (891, 23098), (1782, 11549)]