20195849821

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{1718357}}^1$

素因数の和:1718460

約数の個数: 16

約数和(自身を含む): 24414430464

約数和(自身を除く): 4218580643

約数列:

[1, 7, 23, 73, 161, 511, 1679, 11753, 1718357, 12028499, 39522211, 125440061, 276655477, 878080427, 2885121403, 20195849821]

約数ペア:

[(1, 20195849821), (7, 2885121403), (23, 878080427), (73, 276655477), (161, 125440061), (511, 39522211), (1679, 12028499), (11753, 1718357)]