20020136

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{911}}^1$

素因数の和:1025

約数の個数: 32

約数和(自身を含む): 39070080

約数和(自身を除く): 19049944

約数列:

[1, 2, 4, 8, 41, 67, 82, 134, 164, 268, 328, 536, 911, 1822, 2747, 3644, 5494, 7288, 10988, 21976, 37351, 61037, 74702, 122074, 149404, 244148, 298808, 488296, 2502517, 5005034, 10010068, 20020136]

約数ペア:

[(1, 20020136), (2, 10010068), (4, 5005034), (8, 2502517), (41, 488296), (67, 298808), (82, 244148), (134, 149404), (164, 122074), (268, 74702), (328, 61037), (536, 37351), (911, 21976), (1822, 10988), (2747, 7288), (3644, 5494)]