20285892

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^2\times {\mathrm{4657}}^1$

素因数の和:4689

約数の個数: 54

約数和(自身を含む): 56375774

約数和(自身を除く): 36089882

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 121, 132, 198, 242, 363, 396, 484, 726, 1089, 1452, 2178, 4356, 4657, 9314, 13971, 18628, 27942, 41913, 51227, 55884, 83826, 102454, 153681, 167652, 204908, 307362, 461043, 563497, 614724, 922086, 1126994, 1690491, 1844172, 2253988, 3380982, 5071473, 6761964, 10142946, 20285892]

約数ペア:

[(1, 20285892), (2, 10142946), (3, 6761964), (4, 5071473), (6, 3380982), (9, 2253988), (11, 1844172), (12, 1690491), (18, 1126994), (22, 922086), (33, 614724), (36, 563497), (44, 461043), (66, 307362), (99, 204908), (121, 167652), (132, 153681), (198, 102454), (242, 83826), (363, 55884), (396, 51227), (484, 41913), (726, 27942), (1089, 18628), (1452, 13971), (2178, 9314), (4356, 4657)]