20199550553

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{3638903}}^1$

素因数の和:3638984

約数の個数: 16

約数和(自身を含む): 25268549376

約数和(自身を除く): 5068998823

約数列:

[1, 7, 13, 61, 91, 427, 793, 5551, 3638903, 25472321, 47305739, 221973083, 331140173, 1553811581, 2885650079, 20199550553]

約数ペア:

[(1, 20199550553), (7, 2885650079), (13, 1553811581), (61, 331140173), (91, 221973083), (427, 47305739), (793, 25472321), (5551, 3638903)]