20761146840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{24715651}}^1$

素因数の和:24715672

約数の個数: 64

約数和(自身を含む): 71181077760

約数和(自身を除く): 50419930920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 24715651, 49431302, 74146953, 98862604, 123578255, 148293906, 173009557, 197725208, 247156510, 296587812, 346019114, 370734765, 494313020, 519028671, 593175624, 692038228, 741469530, 865047785, 988626040, 1038057342, 1384076456, 1482939060, 1730095570, 2076114684, 2595143355, 2965878120, 3460191140, 4152229368, 5190286710, 6920382280, 10380573420, 20761146840]

約数ペア:

[(1, 20761146840), (2, 10380573420), (3, 6920382280), (4, 5190286710), (5, 4152229368), (6, 3460191140), (7, 2965878120), (8, 2595143355), (10, 2076114684), (12, 1730095570), (14, 1482939060), (15, 1384076456), (20, 1038057342), (21, 988626040), (24, 865047785), (28, 741469530), (30, 692038228), (35, 593175624), (40, 519028671), (42, 494313020), (56, 370734765), (60, 346019114), (70, 296587812), (84, 247156510), (105, 197725208), (120, 173009557), (140, 148293906), (168, 123578255), (210, 98862604), (280, 74146953), (420, 49431302), (840, 24715651)]