20396956

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{349}}^1\times {\mathrm{769}}^1$

素因数の和:1141

約数の個数: 24

約数和(自身を含む): 37730000

約数和(自身を除く): 17333044

約数列:

[1, 2, 4, 19, 38, 76, 349, 698, 769, 1396, 1538, 3076, 6631, 13262, 14611, 26524, 29222, 58444, 268381, 536762, 1073524, 5099239, 10198478, 20396956]

約数ペア:

[(1, 20396956), (2, 10198478), (4, 5099239), (19, 1073524), (38, 536762), (76, 268381), (349, 58444), (698, 29222), (769, 26524), (1396, 14611), (1538, 13262), (3076, 6631)]