20165178136

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{270659}}^1$

素因数の和:270871

約数の個数: 32

約数和(自身を含む): 38650248000

約数和(自身を除く): 18485069864

約数列:

[1, 2, 4, 8, 67, 134, 139, 268, 278, 536, 556, 1112, 9313, 18626, 37252, 74504, 270659, 541318, 1082636, 2165272, 18134153, 36268306, 37621601, 72536612, 75243202, 145073224, 150486404, 300972808, 2520647267, 5041294534, 10082589068, 20165178136]

約数ペア:

[(1, 20165178136), (2, 10082589068), (4, 5041294534), (8, 2520647267), (67, 300972808), (134, 150486404), (139, 145073224), (268, 75243202), (278, 72536612), (536, 37621601), (556, 36268306), (1112, 18134153), (9313, 2165272), (18626, 1082636), (37252, 541318), (74504, 270659)]