20135670891

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{239}}^1\times {\mathrm{19763}}^1$

素因数の和:20048

約数の個数: 48

約数和(自身を含む): 32444582400

約数和(自身を除く): 12308911509

約数列:

[1, 3, 7, 21, 29, 49, 87, 147, 203, 239, 609, 717, 1421, 1673, 4263, 5019, 6931, 11711, 19763, 20793, 35133, 48517, 59289, 138341, 145551, 339619, 415023, 573127, 968387, 1018857, 1719381, 2905161, 4011889, 4723357, 12035667, 14170071, 28083223, 33063499, 84249669, 99190497, 136977353, 231444493, 410932059, 694333479, 958841471, 2876524413, 6711890297, 20135670891]

約数ペア:

[(1, 20135670891), (3, 6711890297), (7, 2876524413), (21, 958841471), (29, 694333479), (49, 410932059), (87, 231444493), (147, 136977353), (203, 99190497), (239, 84249669), (609, 33063499), (717, 28083223), (1421, 14170071), (1673, 12035667), (4263, 4723357), (5019, 4011889), (6931, 2905161), (11711, 1719381), (19763, 1018857), (20793, 968387), (35133, 573127), (48517, 415023), (59289, 339619), (138341, 145551)]