20627488

素因数分解:

$2^5\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1297}}^1$

素因数の和:1385

約数の個数: 48

約数和(自身を含む): 47101824

約数和(自身を除く): 26474336

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 71, 112, 142, 224, 284, 497, 568, 994, 1136, 1297, 1988, 2272, 2594, 3976, 5188, 7952, 9079, 10376, 15904, 18158, 20752, 36316, 41504, 72632, 92087, 145264, 184174, 290528, 368348, 644609, 736696, 1289218, 1473392, 2578436, 2946784, 5156872, 10313744, 20627488]

約数ペア:

[(1, 20627488), (2, 10313744), (4, 5156872), (7, 2946784), (8, 2578436), (14, 1473392), (16, 1289218), (28, 736696), (32, 644609), (56, 368348), (71, 290528), (112, 184174), (142, 145264), (224, 92087), (284, 72632), (497, 41504), (568, 36316), (994, 20752), (1136, 18158), (1297, 15904), (1988, 10376), (2272, 9079), (2594, 7952), (3976, 5188)]