20478522088

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{7090901}}^1$

素因数の和:7090945

約数の個数: 24

約数和(自身を含む): 40524504930

約数和(自身を除く): 20045982842

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 361, 722, 1444, 2888, 7090901, 14181802, 28363604, 56727208, 134727119, 269454238, 538908476, 1077816952, 2559815261, 5119630522, 10239261044, 20478522088]

約数ペア:

[(1, 20478522088), (2, 10239261044), (4, 5119630522), (8, 2559815261), (19, 1077816952), (38, 538908476), (76, 269454238), (152, 134727119), (361, 56727208), (722, 28363604), (1444, 14181802), (2888, 7090901)]