20199442881

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{809}}^1\times {\mathrm{4957}}^1$

素因数の和:5865

約数の個数: 32

約数和(自身を含む): 28529521920

約数和(自身を除く): 8330079039

約数列:

[1, 3, 23, 69, 73, 219, 809, 1679, 2427, 4957, 5037, 14871, 18607, 55821, 59057, 114011, 177171, 342033, 361861, 1085583, 1358311, 4010213, 4074933, 8322803, 12030639, 24968409, 92234899, 276704697, 292745549, 878236647, 6733147627, 20199442881]

約数ペア:

[(1, 20199442881), (3, 6733147627), (23, 878236647), (69, 292745549), (73, 276704697), (219, 92234899), (809, 24968409), (1679, 12030639), (2427, 8322803), (4957, 4074933), (5037, 4010213), (14871, 1358311), (18607, 1085583), (55821, 361861), (59057, 342033), (114011, 177171)]