20160219140

素因数分解:

$2^2\times 5^1\times {\mathrm{977}}^1\times {\mathrm{1031741}}^1$

素因数の和:1032727

約数の個数: 24

約数和(自身を含む): 42379834392

約数和(自身を除く): 22219615252

約数列:

[1, 2, 4, 5, 10, 20, 977, 1954, 3908, 4885, 9770, 19540, 1031741, 2063482, 4126964, 5158705, 10317410, 20634820, 1008010957, 2016021914, 4032043828, 5040054785, 10080109570, 20160219140]

約数ペア:

[(1, 20160219140), (2, 10080109570), (4, 5040054785), (5, 4032043828), (10, 2016021914), (20, 1008010957), (977, 20634820), (1954, 10317410), (3908, 5158705), (4885, 4126964), (9770, 2063482), (19540, 1031741)]