20180771008

素因数分解:

$2^6\times {\mathrm{43}}^1\times {\mathrm{7333129}}^1$

素因数の和:7333184

約数の個数: 28

約数和(自身を含む): 40977530440

約数和(自身を除く): 20796759432

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 172, 344, 688, 1376, 2752, 7333129, 14666258, 29332516, 58665032, 117330064, 234660128, 315324547, 469320256, 630649094, 1261298188, 2522596376, 5045192752, 10090385504, 20180771008]

約数ペア:

[(1, 20180771008), (2, 10090385504), (4, 5045192752), (8, 2522596376), (16, 1261298188), (32, 630649094), (43, 469320256), (64, 315324547), (86, 234660128), (172, 117330064), (344, 58665032), (688, 29332516), (1376, 14666258), (2752, 7333129)]