20061490281

素因数分解:

$3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{56417}}^1$

素因数の和:56534

約数の個数: 48

約数和(自身を含む): 32415526080

約数和(自身を除く): 12354035799

約数列:

[1, 3, 7, 21, 41, 49, 59, 123, 147, 177, 287, 413, 861, 1239, 2009, 2419, 2891, 6027, 7257, 8673, 16933, 50799, 56417, 118531, 169251, 355593, 394919, 1184757, 2313097, 2764433, 3328603, 6939291, 8293299, 9985809, 16191679, 23300221, 48575037, 69900663, 113341753, 136472723, 163101547, 340025259, 409418169, 489304641, 955309061, 2865927183, 6687163427, 20061490281]

約数ペア:

[(1, 20061490281), (3, 6687163427), (7, 2865927183), (21, 955309061), (41, 489304641), (49, 409418169), (59, 340025259), (123, 163101547), (147, 136472723), (177, 113341753), (287, 69900663), (413, 48575037), (861, 23300221), (1239, 16191679), (2009, 9985809), (2419, 8293299), (2891, 6939291), (6027, 3328603), (7257, 2764433), (8673, 2313097), (16933, 1184757), (50799, 394919), (56417, 355593), (118531, 169251)]