20192809

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{3761}}^1$

素因数の和:3840

約数の個数: 16

約数和(自身を含む): 25280640

約数和(自身を除く): 5087831

約数列:

[1, 7, 13, 59, 91, 413, 767, 3761, 5369, 26327, 48893, 221899, 342251, 1553293, 2884687, 20192809]

約数ペア:

[(1, 20192809), (7, 2884687), (13, 1553293), (59, 342251), (91, 221899), (413, 48893), (767, 26327), (3761, 5369)]