20525934

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{509}}^1$

素因数の和:585

約数の個数: 64

約数和(自身を含む): 49351680

約数和(自身を除く): 28825746

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 47, 66, 78, 94, 141, 143, 282, 286, 429, 509, 517, 611, 858, 1018, 1034, 1222, 1527, 1551, 1833, 3054, 3102, 3666, 5599, 6617, 6721, 11198, 13234, 13442, 16797, 19851, 20163, 23923, 33594, 39702, 40326, 47846, 71769, 72787, 143538, 145574, 218361, 263153, 310999, 436722, 526306, 621998, 789459, 932997, 1578918, 1865994, 3420989, 6841978, 10262967, 20525934]

約数ペア:

[(1, 20525934), (2, 10262967), (3, 6841978), (6, 3420989), (11, 1865994), (13, 1578918), (22, 932997), (26, 789459), (33, 621998), (39, 526306), (47, 436722), (66, 310999), (78, 263153), (94, 218361), (141, 145574), (143, 143538), (282, 72787), (286, 71769), (429, 47846), (509, 40326), (517, 39702), (611, 33594), (858, 23923), (1018, 20163), (1034, 19851), (1222, 16797), (1527, 13442), (1551, 13234), (1833, 11198), (3054, 6721), (3102, 6617), (3666, 5599)]