20953952

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{15971}}^1$

素因数の和:16022

約数の個数: 24

約数和(自身を含む): 42261912

約数和(自身を除く): 21307960

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 164, 328, 656, 1312, 15971, 31942, 63884, 127768, 255536, 511072, 654811, 1309622, 2619244, 5238488, 10476976, 20953952]

約数ペア:

[(1, 20953952), (2, 10476976), (4, 5238488), (8, 2619244), (16, 1309622), (32, 654811), (41, 511072), (82, 255536), (164, 127768), (328, 63884), (656, 31942), (1312, 15971)]