20380599

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{887}}^1$

素因数の和:956

約数の個数: 32

約数和(自身を含む): 32394240

約数和(自身を除く): 12013641

約数列:

[1, 3, 9, 23, 27, 37, 69, 111, 207, 333, 621, 851, 887, 999, 2553, 2661, 7659, 7983, 20401, 22977, 23949, 32819, 61203, 98457, 183609, 295371, 550827, 754837, 886113, 2264511, 6793533, 20380599]

約数ペア:

[(1, 20380599), (3, 6793533), (9, 2264511), (23, 886113), (27, 754837), (37, 550827), (69, 295371), (111, 183609), (207, 98457), (333, 61203), (621, 32819), (851, 23949), (887, 22977), (999, 20401), (2553, 7983), (2661, 7659)]