20506764

素因数分解:

$2^2\times 3^1\times {\mathrm{107}}^1\times {\mathrm{15971}}^1$

素因数の和:16085

約数の個数: 24

約数和(自身を含む): 48299328

約数和(自身を除く): 27792564

約数列:

[1, 2, 3, 4, 6, 12, 107, 214, 321, 428, 642, 1284, 15971, 31942, 47913, 63884, 95826, 191652, 1708897, 3417794, 5126691, 6835588, 10253382, 20506764]

約数ペア:

[(1, 20506764), (2, 10253382), (3, 6835588), (4, 5126691), (6, 3417794), (12, 1708897), (107, 191652), (214, 95826), (321, 63884), (428, 47913), (642, 31942), (1284, 15971)]