20601840

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{12263}}^1$

素因数の和:12286

約数の個数: 80

約数和(自身を含む): 72995328

約数和(自身を除く): 52393488

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 12263, 24526, 36789, 49052, 61315, 73578, 85841, 98104, 122630, 147156, 171682, 183945, 196208, 245260, 257523, 294312, 343364, 367890, 429205, 490520, 515046, 588624, 686728, 735780, 858410, 981040, 1030092, 1287615, 1373456, 1471560, 1716820, 2060184, 2575230, 2943120, 3433640, 4120368, 5150460, 6867280, 10300920, 20601840]

約数ペア:

[(1, 20601840), (2, 10300920), (3, 6867280), (4, 5150460), (5, 4120368), (6, 3433640), (7, 2943120), (8, 2575230), (10, 2060184), (12, 1716820), (14, 1471560), (15, 1373456), (16, 1287615), (20, 1030092), (21, 981040), (24, 858410), (28, 735780), (30, 686728), (35, 588624), (40, 515046), (42, 490520), (48, 429205), (56, 367890), (60, 343364), (70, 294312), (80, 257523), (84, 245260), (105, 196208), (112, 183945), (120, 171682), (140, 147156), (168, 122630), (210, 98104), (240, 85841), (280, 73578), (336, 61315), (420, 49052), (560, 36789), (840, 24526), (1680, 12263)]