20650154

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47581}}^1$

素因数の和:47621

約数の個数: 16

約数和(自身を含む): 36542976

約数和(自身を除く): 15892822

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 47581, 95162, 333067, 666134, 1475011, 2950022, 10325077, 20650154]

約数ペア:

[(1, 20650154), (2, 10325077), (7, 2950022), (14, 1475011), (31, 666134), (62, 333067), (217, 95162), (434, 47581)]