20121974886

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{257974037}}^1$

素因数の和:257974055

約数の個数: 16

約数和(自身を含む): 43339638384

約数和(自身を除く): 23217663498

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 257974037, 515948074, 773922111, 1547844222, 3353662481, 6707324962, 10060987443, 20121974886]

約数ペア:

[(1, 20121974886), (2, 10060987443), (3, 6707324962), (6, 3353662481), (13, 1547844222), (26, 773922111), (39, 515948074), (78, 257974037)]