20565545085

素因数分解:

$3^3\times 5^1\times {\mathrm{821}}^1\times {\mathrm{185551}}^1$

素因数の和:186386

約数の個数: 32

約数和(自身を含む): 36605698560

約数和(自身を除く): 16040153475

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 821, 2463, 4105, 7389, 12315, 22167, 36945, 110835, 185551, 556653, 927755, 1669959, 2783265, 5009877, 8349795, 25049385, 152337371, 457012113, 761686855, 1371036339, 2285060565, 4113109017, 6855181695, 20565545085]

約数ペア:

[(1, 20565545085), (3, 6855181695), (5, 4113109017), (9, 2285060565), (15, 1371036339), (27, 761686855), (45, 457012113), (135, 152337371), (821, 25049385), (2463, 8349795), (4105, 5009877), (7389, 2783265), (12315, 1669959), (22167, 927755), (36945, 556653), (110835, 185551)]