20347208829

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{343639}}^1$

素因数の和:343711

約数の個数: 40

約数和(自身を含む): 32931708480

約数和(自身を除く): 12584499651

約数列:

[1, 3, 9, 17, 27, 43, 51, 81, 129, 153, 387, 459, 731, 1161, 1377, 2193, 3483, 6579, 19737, 59211, 343639, 1030917, 3092751, 5841863, 9278253, 14776477, 17525589, 27834759, 44329431, 52576767, 132988293, 157730301, 251200109, 398964879, 473190903, 753600327, 1196894637, 2260800981, 6782402943, 20347208829]

約数ペア:

[(1, 20347208829), (3, 6782402943), (9, 2260800981), (17, 1196894637), (27, 753600327), (43, 473190903), (51, 398964879), (81, 251200109), (129, 157730301), (153, 132988293), (387, 52576767), (459, 44329431), (731, 27834759), (1161, 17525589), (1377, 14776477), (2193, 9278253), (3483, 5841863), (6579, 3092751), (19737, 1030917), (59211, 343639)]