20160785624

素因数分解:

$2^3\times 7^1\times {\mathrm{109}}^1\times {\mathrm{499}}^1\times {\mathrm{6619}}^1$

素因数の和:7240

約数の個数: 64

約数和(自身を含む): 43692000000

約数和(自身を除く): 23531214376

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 109, 218, 436, 499, 763, 872, 998, 1526, 1996, 3052, 3493, 3992, 6104, 6619, 6986, 13238, 13972, 26476, 27944, 46333, 52952, 54391, 92666, 108782, 185332, 217564, 370664, 380737, 435128, 721471, 761474, 1442942, 1522948, 2885884, 3045896, 3302881, 5050297, 5771768, 6605762, 10100594, 13211524, 20201188, 23120167, 26423048, 40402376, 46240334, 92480668, 184961336, 360014029, 720028058, 1440056116, 2520098203, 2880112232, 5040196406, 10080392812, 20160785624]

約数ペア:

[(1, 20160785624), (2, 10080392812), (4, 5040196406), (7, 2880112232), (8, 2520098203), (14, 1440056116), (28, 720028058), (56, 360014029), (109, 184961336), (218, 92480668), (436, 46240334), (499, 40402376), (763, 26423048), (872, 23120167), (998, 20201188), (1526, 13211524), (1996, 10100594), (3052, 6605762), (3493, 5771768), (3992, 5050297), (6104, 3302881), (6619, 3045896), (6986, 2885884), (13238, 1522948), (13972, 1442942), (26476, 761474), (27944, 721471), (46333, 435128), (52952, 380737), (54391, 370664), (92666, 217564), (108782, 185332)]