20171587912

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{5073337}}^1$

素因数の和:5073421

約数の個数: 32

約数和(自身を含む): 43833640320

約数和(自身を除く): 23662052408

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 142, 284, 497, 568, 994, 1988, 3976, 5073337, 10146674, 20293348, 35513359, 40586696, 71026718, 142053436, 284106872, 360206927, 720413854, 1440827708, 2521448489, 2881655416, 5042896978, 10085793956, 20171587912]

約数ペア:

[(1, 20171587912), (2, 10085793956), (4, 5042896978), (7, 2881655416), (8, 2521448489), (14, 1440827708), (28, 720413854), (56, 360206927), (71, 284106872), (142, 142053436), (284, 71026718), (497, 40586696), (568, 35513359), (994, 20293348), (1988, 10146674), (3976, 5073337)]