20393835

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17657}}^1$

素因数の和:17683

約数の個数: 32

約数和(自身を含む): 40684032

約数和(自身を除く): 20290197

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 231, 385, 1155, 17657, 52971, 88285, 123599, 194227, 264855, 370797, 582681, 617995, 971135, 1359589, 1853985, 2913405, 4078767, 6797945, 20393835]

約数ペア:

[(1, 20393835), (3, 6797945), (5, 4078767), (7, 2913405), (11, 1853985), (15, 1359589), (21, 971135), (33, 617995), (35, 582681), (55, 370797), (77, 264855), (105, 194227), (165, 123599), (231, 88285), (385, 52971), (1155, 17657)]