20121902718

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{77991871}}^1$

素因数の和:77991919

約数の個数: 16

約数和(自身を含む): 41179708416

約数和(自身を除く): 21057805698

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 77991871, 155983742, 233975613, 467951226, 3353650453, 6707300906, 10060951359, 20121902718]

約数ペア:

[(1, 20121902718), (2, 10060951359), (3, 6707300906), (6, 3353650453), (43, 467951226), (86, 233975613), (129, 155983742), (258, 77991871)]