20441264

素因数分解:

$2^4\times {\mathrm{19}}^2\times {\mathrm{3539}}^1$

素因数の和:3585

約数の個数: 30

約数和(自身を含む): 41810940

約数和(自身を除く): 21369676

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 361, 722, 1444, 2888, 3539, 5776, 7078, 14156, 28312, 56624, 67241, 134482, 268964, 537928, 1075856, 1277579, 2555158, 5110316, 10220632, 20441264]

約数ペア:

[(1, 20441264), (2, 10220632), (4, 5110316), (8, 2555158), (16, 1277579), (19, 1075856), (38, 537928), (76, 268964), (152, 134482), (304, 67241), (361, 56624), (722, 28312), (1444, 14156), (2888, 7078), (3539, 5776)]