20225956

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{6491}}^1$

素因数の和:6555

約数の個数: 24

約数和(自身を含む): 38172960

約数和(自身を除く): 17947004

約数列:

[1, 2, 4, 19, 38, 41, 76, 82, 164, 779, 1558, 3116, 6491, 12982, 25964, 123329, 246658, 266131, 493316, 532262, 1064524, 5056489, 10112978, 20225956]

約数ペア:

[(1, 20225956), (2, 10112978), (4, 5056489), (19, 1064524), (38, 532262), (41, 493316), (76, 266131), (82, 246658), (164, 123329), (779, 25964), (1558, 12982), (3116, 6491)]