20343721192

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{997}}^1\times {\mathrm{134243}}^1$

素因数の和:135265

約数の個数: 32

約数和(自身を含む): 40192653600

約数和(自身を除く): 19848932408

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 997, 1994, 3988, 7976, 18943, 37886, 75772, 134243, 151544, 268486, 536972, 1073944, 2550617, 5101234, 10202468, 20404936, 133840271, 267680542, 535361084, 1070722168, 2542965149, 5085930298, 10171860596, 20343721192]

約数ペア:

[(1, 20343721192), (2, 10171860596), (4, 5085930298), (8, 2542965149), (19, 1070722168), (38, 535361084), (76, 267680542), (152, 133840271), (997, 20404936), (1994, 10202468), (3988, 5101234), (7976, 2550617), (18943, 1073944), (37886, 536972), (75772, 268486), (134243, 151544)]