20458077129

素因数分解:

$3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1\times {\mathrm{21433}}^1$

素因数の和:21694

約数の個数: 48

約数和(自身を含む): 34328694400

約数和(自身を除く): 13870617271

約数列:

[1, 3, 7, 9, 21, 63, 109, 139, 327, 417, 763, 973, 981, 1251, 2289, 2919, 6867, 8757, 15151, 21433, 45453, 64299, 106057, 136359, 150031, 192897, 318171, 450093, 954513, 1350279, 2336197, 2979187, 7008591, 8937561, 16353379, 20854309, 21025773, 26812683, 49060137, 62562927, 147180411, 187688781, 324731383, 974194149, 2273119681, 2922582447, 6819359043, 20458077129]

約数ペア:

[(1, 20458077129), (3, 6819359043), (7, 2922582447), (9, 2273119681), (21, 974194149), (63, 324731383), (109, 187688781), (139, 147180411), (327, 62562927), (417, 49060137), (763, 26812683), (973, 21025773), (981, 20854309), (1251, 16353379), (2289, 8937561), (2919, 7008591), (6867, 2979187), (8757, 2336197), (15151, 1350279), (21433, 954513), (45453, 450093), (64299, 318171), (106057, 192897), (136359, 150031)]