20161957424

素因数分解:

$2^4\times 7^1\times {\mathrm{1427}}^1\times {\mathrm{126151}}^1$

素因数の和:127593

約数の個数: 40

約数和(自身を含む): 44675973888

約数和(自身を除く): 24514016464

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1427, 2854, 5708, 9989, 11416, 19978, 22832, 39956, 79912, 126151, 159824, 252302, 504604, 883057, 1009208, 1766114, 2018416, 3532228, 7064456, 14128912, 180017477, 360034954, 720069908, 1260122339, 1440139816, 2520244678, 2880279632, 5040489356, 10080978712, 20161957424]

約数ペア:

[(1, 20161957424), (2, 10080978712), (4, 5040489356), (7, 2880279632), (8, 2520244678), (14, 1440139816), (16, 1260122339), (28, 720069908), (56, 360034954), (112, 180017477), (1427, 14128912), (2854, 7064456), (5708, 3532228), (9989, 2018416), (11416, 1766114), (19978, 1009208), (22832, 883057), (39956, 504604), (79912, 252302), (126151, 159824)]