20178105428

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{5465359}}^1$

素因数の和:5465447

約数の個数: 24

約数和(自身を含む): 38563580160

約数和(自身を除く): 18385474732

約数列:

[1, 2, 4, 13, 26, 52, 71, 142, 284, 923, 1846, 3692, 5465359, 10930718, 21861436, 71049667, 142099334, 284198668, 388040489, 776080978, 1552161956, 5044526357, 10089052714, 20178105428]

約数ペア:

[(1, 20178105428), (2, 10089052714), (4, 5044526357), (13, 1552161956), (26, 776080978), (52, 388040489), (71, 284198668), (142, 142099334), (284, 71049667), (923, 21861436), (1846, 10930718), (3692, 5465359)]