20671036708

素因数分解:

$2^2\times 7^2\times {\mathrm{179}}^1\times {\mathrm{589187}}^1$

素因数の和:589384

約数の個数: 36

約数和(自身を含む): 42315482160

約数和(自身を除く): 21644445452

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 179, 196, 358, 716, 1253, 2506, 5012, 8771, 17542, 35084, 589187, 1178374, 2356748, 4124309, 8248618, 16497236, 28870163, 57740326, 105464473, 115480652, 210928946, 421857892, 738251311, 1476502622, 2953005244, 5167759177, 10335518354, 20671036708]

約数ペア:

[(1, 20671036708), (2, 10335518354), (4, 5167759177), (7, 2953005244), (14, 1476502622), (28, 738251311), (49, 421857892), (98, 210928946), (179, 115480652), (196, 105464473), (358, 57740326), (716, 28870163), (1253, 16497236), (2506, 8248618), (5012, 4124309), (8771, 2356748), (17542, 1178374), (35084, 589187)]