20645837

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1559}}^1$

素因数の和:1636

約数の個数: 16

約数和(自身を含む): 23587200

約数和(自身を除く): 2941363

約数列:

[1, 17, 19, 41, 323, 697, 779, 1559, 13243, 26503, 29621, 63919, 503557, 1086623, 1214461, 20645837]

約数ペア:

[(1, 20645837), (17, 1214461), (19, 1086623), (41, 503557), (323, 63919), (697, 29621), (779, 26503), (1559, 13243)]