20044773

素因数分解:

$3^3\times 7^2\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:271

約数の個数: 48

約数和(自身を含む): 35112000

約数和(自身を除く): 15067227

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 109, 139, 147, 189, 327, 417, 441, 763, 973, 981, 1251, 1323, 2289, 2919, 2943, 3753, 5341, 6811, 6867, 8757, 15151, 16023, 20433, 20601, 26271, 45453, 48069, 61299, 106057, 136359, 144207, 183897, 318171, 409077, 742399, 954513, 2227197, 2863539, 6681591, 20044773]

約数ペア:

[(1, 20044773), (3, 6681591), (7, 2863539), (9, 2227197), (21, 954513), (27, 742399), (49, 409077), (63, 318171), (109, 183897), (139, 144207), (147, 136359), (189, 106057), (327, 61299), (417, 48069), (441, 45453), (763, 26271), (973, 20601), (981, 20433), (1251, 16023), (1323, 15151), (2289, 8757), (2919, 6867), (2943, 6811), (3753, 5341)]