20809339996

素因数分解:

$2^2\times {\mathrm{73}}^2\times {\mathrm{976231}}^1$

素因数の和:976381

約数の個数: 18

約数和(自身を含む): 36922070472

約数和(自身を除く): 16112730476

約数列:

[1, 2, 4, 73, 146, 292, 5329, 10658, 21316, 976231, 1952462, 3904924, 71264863, 142529726, 285059452, 5202334999, 10404669998, 20809339996]

約数ペア:

[(1, 20809339996), (2, 10404669998), (4, 5202334999), (73, 285059452), (146, 142529726), (292, 71264863), (5329, 3904924), (10658, 1952462), (21316, 976231)]