20197584004

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{388415077}}^1$

素因数の和:388415094

約数の個数: 12

約数和(自身を含む): 38064677644

約数和(自身を除く): 17867093640

約数列:

[1, 2, 4, 13, 26, 52, 388415077, 776830154, 1553660308, 5049396001, 10098792002, 20197584004]

約数ペア:

[(1, 20197584004), (2, 10098792002), (4, 5049396001), (13, 1553660308), (26, 776830154), (52, 388415077)]