20163231320

素因数分解:

$2^3\times 5^1\times {\mathrm{504080783}}^1$

素因数の和:504080794

約数の個数: 16

約数和(自身を含む): 45367270560

約数和(自身を除く): 25204039240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 504080783, 1008161566, 2016323132, 2520403915, 4032646264, 5040807830, 10081615660, 20163231320]

約数ペア:

[(1, 20163231320), (2, 10081615660), (4, 5040807830), (5, 4032646264), (8, 2520403915), (10, 2016323132), (20, 1008161566), (40, 504080783)]