20761218

素因数分解:

$2^1\times 3^3\times {\mathrm{37}}^1\times {\mathrm{10391}}^1$

素因数の和:10439

約数の個数: 32

約数和(自身を含む): 47387520

約数和(自身を除く): 26626302

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 74, 111, 222, 333, 666, 999, 1998, 10391, 20782, 31173, 62346, 93519, 187038, 280557, 384467, 561114, 768934, 1153401, 2306802, 3460203, 6920406, 10380609, 20761218]

約数ペア:

[(1, 20761218), (2, 10380609), (3, 6920406), (6, 3460203), (9, 2306802), (18, 1153401), (27, 768934), (37, 561114), (54, 384467), (74, 280557), (111, 187038), (222, 93519), (333, 62346), (666, 31173), (999, 20782), (1998, 10391)]