20041824560

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2814863}}^1$

素因数の和:2814965

約数の個数: 40

約数和(自身を含む): 47120823360

約数和(自身を除く): 27078998800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 7120, 2814863, 5629726, 11259452, 14074315, 22518904, 28148630, 45037808, 56297260, 112594520, 225189040, 250522807, 501045614, 1002091228, 1252614035, 2004182456, 2505228070, 4008364912, 5010456140, 10020912280, 20041824560]

約数ペア:

[(1, 20041824560), (2, 10020912280), (4, 5010456140), (5, 4008364912), (8, 2505228070), (10, 2004182456), (16, 1252614035), (20, 1002091228), (40, 501045614), (80, 250522807), (89, 225189040), (178, 112594520), (356, 56297260), (445, 45037808), (712, 28148630), (890, 22518904), (1424, 14074315), (1780, 11259452), (3560, 5629726), (7120, 2814863)]